> Bolígrafos y rotuladores>Rotuladores de colores para manualidades>Rotulador Artline Supreme Brush Acuarelable Punta Pincel Color Naranja
Rotulador Artline Supreme Brush Acuarelable Punta Pincel Color Naranja Ver más grande

Rotulador Artline Supreme Brush Acuarelable Punta Pincel Color Naranja

¿Tienes alguna pregunta?
Pregúntanos sobre este producto
Rotulador Artline Supreme Brush Acuarelable Punta Pincel Color Naranja

Rotulador Artline Supreme Brush Acuarelable Punta Pincel Color Naranja

Punta: pincel.

* Campos obligatorios

Añadir a mi lista
  • 12 uds (Cantidad mínima)
    18,17€
    1,52€/ud (IVA no incl)
  • 24 uds
    -1,97% dto.
    35,76€
    1,49€/ud (IVA no incl)
  • 36 uds
    -3,29% dto.
    52,92€
    1,47€/ud (IVA no incl)
  • 48 uds
    -5,92% dto.
    68,64€
    1,43€/ud (IVA no incl)

Si quieres una caja, compra 12 unidades o múltiplos.

¡En Stock 73 uds!
Ver productos alternativos

18,17€/12 uds


1,52€/ud (IVA no incl)
Total con IVA: 1,84€
Referencia152121
Ean4549441004759
Part numberEPF-F-NA
FabricanteArtline

Rotulador acuarelable de la marca Artline.

  • Ideal para pequeños artistas, diseñadores y aficionados al lettering.
  • Punta tipo pincel, que permite realizar un trazo variable.
  • Tinta a base de agua, que permite fusionar varios colores muy fácilmente con un pincel con agua o con los propios rotuladores.
  • Con estos rotuladores conseguirás un acabado acuarelado.

¡Gracias a estos rotuladores se nos abrirá un mundo a la creación!

Debes para poder comentar los productos
Te resolvemos todas tus dudas sobre Rotulador Artline Supreme Brush Acuarelable Punta Pincel Color Naranja Sé el primero en hacernos saber tus dudas acerca de este producto

PRODUCTOS COMPLEMENTARIOS
  • {"id_product":"273927","id_supplier":"0","id_manufacturer":"3","id_category_default":"2205","id_shop_default":"1","id_tax_rules_group":"5","on_sale":"1","online_only":"0","ean13":"8423473044142","upc":"","ecotax":0,"quantity":1438,"minimal_quantity":"1","price":10.87,"wholesale_price":"3.616000","unity":"","unit_price_ratio":"0.000000","additional_shipping_cost":"0.00","reference":"163651","supplier_reference":"","location":"","width":"0.000000","height":"0.000000","depth":"0.000000","weight":"0.000000","out_of_stock":"0","quantity_discount":"0","customizable":"0","uploadable_files":"0","text_fields":"0","active":"1","redirect_type":"404","id_product_redirected":"0","available_for_order":"1","available_date":"0000-00-00","condition":"new","show_price":"1","indexed":"1","visibility":"both","cache_is_pack":"0","cache_has_attachments":"0","is_virtual":"0","cache_default_attribute":"0","date_add":"2024-01-28 10:20:46","date_upd":"2025-04-28 10:21:24","advanced_stock_management":"0","pack_stock_type":"3","tarifa_roja":"5.908","fecha_almacen_mal":"","fecha_almacen_gua":"","fecha_importacion":"2024-01-15 00:02:36","was_imported":"old","partnumber":"PI17 ","range_1":"1","range_2":"3","range_3":"5","range_4":"7","multiplier_1":"2.482","multiplier_2":"2.41","multiplier_3":"2.379","multiplier_4":"2.276","multiplier_colegios":"1.555","umv":"1","simple_store":"2","multiplier_colegios2":"2.006","id_shop":"1","number_sales":"0","id_product_attribute":"0","product_attribute_minimal_quantity":null,"description":"<table width=\"100%\">\n<tbody>\n<tr>\n<td>\n<p class=\"textoEspecial\">Pincel liderpapel recargable para productos acuarelables set de 6 unidades grosor puntas surtidas.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\n<p class=\"textoEspecial\">Pinceles con dep\u00f3sito de agua id\u00f3neos para colorear y acuarelar, el dep\u00f3sito se puede llenar de agua para mezclar la pintura y conseguir aut\u00e9nticos efectos de acuarela, cuerpo f\u00e1cil de apretar y sistema de v\u00e1lvula que permite controlar el flujo del agua, juego de 6 pinceles con puntas de distinto gros<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","description_short":"<p>6 UNIDADES\u00a0<\/p>","available_now":"","available_later":"","link_rewrite":"pincel-liderpapel-recargable-para-productos-acuarelables-set-de-6-unidades-grosor-puntas-surtidas-163651","meta_description":"PINCEL LIDERPAPEL RECARGABLE PARA PRODUCTOS ACUARELABLES SET DE 6 UNIDADES GROSOR PUNTAS SURTIDAS","meta_keywords":"","meta_title":"PINCEL LIDERPAPEL RECARGABLE PARA PRODUCTOS ACUARELABLES SET DE 6 UNIDADES GROSOR PUNTAS SURTIDAS","name":"PINCEL LIDERPAPEL RECARGABLE PARA PRODUCTOS ACUARELABLES SET DE 6 UNIDADES GROSOR PUNTAS SURTIDAS","id_image":"273927-4376566","legend":"","manufacturer_name":"Liderpapel","category_default":"Pinceles","orderprice":"8.975000","almacen_dbp":"0","allow_oosp":0,"category":"pinceles","link":"https:\/\/www.materialescolar.es\/pinceles\/pincel-liderpapel-recargable-para-productos-acuarelables-set-de-6-unidades-grosor-puntas-surtidas-163651.html","attribute_price":0,"price_tax_exc":8.24,"price_without_reduction":10.8658,"reduction":0,"specific_prices":{"id_specific_price":"3688897769","id_specific_price_rule":"0","id_cart":"0","id_product":"273927","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":8.24,"from_quantity":"7","reduction":"0.000000","reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"50"},"quantity_all_versions":1438,"features":[],"attachments":[],"virtual":0,"pack":0,"packItems":[],"nopackprice":0,"customization_required":false,"rate":21,"tax_name":"21%","quantity_discounts":[{"id_specific_price":"3688897766","id_specific_price_rule":"0","id_cart":"0","id_product":"273927","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"8.975000","from_quantity":"1","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"1","reduction_with_tax":0,"real_value":0.006050000000000111,"nextQuantity":3},{"id_specific_price":"3688897767","id_specific_price_rule":"0","id_cart":"0","id_product":"273927","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"8.714600","from_quantity":"3","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"3","reduction_with_tax":0,"real_value":0.3211339999999989,"nextQuantity":5},{"id_specific_price":"3688897768","id_specific_price_rule":"0","id_cart":"0","id_product":"273927","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"8.602500","from_quantity":"5","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"5","reduction_with_tax":0,"real_value":0.45677500000000215,"nextQuantity":7},{"id_specific_price":"3688897769","id_specific_price_rule":"0","id_cart":"0","id_product":"273927","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"8.230100","from_quantity":"7","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"7","reduction_with_tax":0,"real_value":0.9073790000000006,"nextQuantity":-1}],"ecotax_tax_inc":0,"ecotax_tax_exc":"0.000000","ecotaxTax_rate":0,"productPriceWithoutEcoTax":10.87,"group_reduction":0,"no_tax":false,"tax_enabled":true,"customer_group_without_tax":"0","base_price":8.98,"productBasePriceTaxExcl_var":8.98,"productBasePriceTaxIncl_var":10.8658,"mostrar_vip":false,"tax_rate_var":21}

    Total: 10,87€ /1 ud

    10,87€/ud (más IVA)

    8,98€
    8,98€/ud
    $product.price = 10.87 . $precio = 8.98 . $product.minimal_quantity = 1 . $minimal_quantity = 1 . $precio_pack = 8.98
    2
    3 unidades
    ¡Ahorra un 2.9%!
    26,16€
    8,72€/ud
    3
    5 unidades
    ¡Ahorra un 4.12%!
    43,05€
    8,61€/ud
    4
    7 unidades
    ¡Ahorra un 8.24%!
    57,68€
    8,24€/ud
    6 UNIDADES 
    desde 8,24€ + IVA
    8,24€
    Añadir al carrito Más
  • {"id_product":"16995","id_supplier":"0","id_manufacturer":"3","id_category_default":"2121","id_shop_default":"1","id_tax_rules_group":"5","on_sale":"1","online_only":"0","ean13":"8423473848108","upc":"","ecotax":0,"quantity":4062,"minimal_quantity":"5","price":1.77,"wholesale_price":"0.451000","unity":"","unit_price_ratio":"0.000000","additional_shipping_cost":"0.00","reference":"52199","supplier_reference":"","location":"","width":"0.000000","height":"0.000000","depth":"0.000000","weight":"0.180000","out_of_stock":"0","quantity_discount":"0","customizable":"0","uploadable_files":"0","text_fields":"0","active":"1","redirect_type":"404","id_product_redirected":"0","available_for_order":"1","available_date":"0000-00-00","condition":"new","show_price":"1","indexed":"1","visibility":"both","cache_is_pack":"0","cache_has_attachments":"0","is_virtual":"0","cache_default_attribute":"0","date_add":"2016-12-19 21:39:20","date_upd":"2025-04-28 10:22:19","advanced_stock_management":"0","pack_stock_type":"3","tarifa_roja":"1.292","fecha_almacen_mal":"0","fecha_almacen_gua":"0","fecha_importacion":"2020-08-06 00:08:01","was_imported":"csv","partnumber":"LB32","range_1":"5","range_2":"10","range_3":"15","range_4":"20","multiplier_1":"3.22","multiplier_2":"3.125","multiplier_3":"3.03","multiplier_4":"2.713","multiplier_colegios":"1.545","umv":"5","simple_store":"2","multiplier_colegios2":"1.87","id_shop":"1","number_sales":"0","id_product_attribute":"0","product_attribute_minimal_quantity":null,"description":"<p>Libreta escolar Liderpapel. Colores surtidos. Tapa de cartoncillo impreso de 300 g\/m2. Plastificado en polietileno brillo. Reservas de barniz uvi mate. Gramaje de 90 g\/m2. Tama\u00f1o DIN A5 Plus. Liso. 48 hojas. Sin margen. \u00d3ptima calidad. Muy resistente. No traspasa la tinta.<\/p>","description_short":"<p>Gramaje de 90 g\/m2. 48 hojas. Referencia: LB32.<\/p>","available_now":"","available_later":"","link_rewrite":"libreta-escolar-liderpapel-scriptus-52199","meta_description":"Libreta escolar Liderpapel Scriptus A5 Liso. Entrega 24 - 48 horas.","meta_keywords":"","meta_title":"Libreta escolar Liderpapel Scriptus A5 Liso","name":"Libreta escolar Liderpapel Scriptus liso tama\u00f1o DIN A5 48 hojas","id_image":"16995-4371599","legend":"","manufacturer_name":"Liderpapel","category_default":"Cuadernos, blocs y libretas","orderprice":"1.452300","almacen_dbp":"0","allow_oosp":0,"category":"blocs-libretas-agendas","link":"https:\/\/www.materialescolar.es\/blocs-libretas-agendas\/libreta-escolar-liderpapel-scriptus-52199.html","attribute_price":0,"price_tax_exc":1.3,"price_without_reduction":1.7666,"reduction":0,"specific_prices":{"id_specific_price":"3689270666","id_specific_price_rule":"0","id_cart":"0","id_product":"16995","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":1.3,"from_quantity":"20","reduction":"0.000000","reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"50"},"quantity_all_versions":4062,"features":[{"name":"Uso","value":"Escritura","id_feature":"27"},{"name":"Encuadernaci\u00f3n","value":"Grapada","id_feature":"30"},{"name":"Tama\u00f1o","value":"Din A5 (medio din a4)","id_feature":"31"},{"name":"Margen","value":"Sin Margen","id_feature":"652"},{"name":"Tipo de rayado","value":"Liso","id_feature":"710"}],"attachments":[],"virtual":0,"pack":0,"packItems":[],"nopackprice":0,"customization_required":false,"rate":21,"tax_name":"21%","quantity_discounts":[{"id_specific_price":"3689270663","id_specific_price_rule":"0","id_cart":"0","id_product":"16995","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"1.452300","from_quantity":"5","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"5","reduction_with_tax":0,"real_value":0.00931700000000002,"nextQuantity":10},{"id_specific_price":"3689270664","id_specific_price_rule":"0","id_cart":"0","id_product":"16995","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"1.409400","from_quantity":"10","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"10","reduction_with_tax":0,"real_value":0.061226,"nextQuantity":15},{"id_specific_price":"3689270665","id_specific_price_rule":"0","id_cart":"0","id_product":"16995","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"1.366600","from_quantity":"15","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"15","reduction_with_tax":0,"real_value":0.11301399999999995,"nextQuantity":20},{"id_specific_price":"3689270666","id_specific_price_rule":"0","id_cart":"0","id_product":"16995","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"1.292000","from_quantity":"20","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"20","reduction_with_tax":0,"real_value":0.2032799999999999,"nextQuantity":-1}],"ecotax_tax_inc":0,"ecotax_tax_exc":"0.000000","ecotaxTax_rate":0,"productPriceWithoutEcoTax":1.77,"group_reduction":0,"no_tax":false,"tax_enabled":true,"customer_group_without_tax":"0","base_price":1.46,"productBasePriceTaxExcl_var":1.4523,"productBasePriceTaxIncl_var":1.7666,"mostrar_vip":false,"tax_rate_var":21}

    Total: 8,85€ /5 uds

    1,77€/ud (más IVA)

    7,30€
    1,46€/ud
    $product.price = 1.77 . $precio = 1.46 . $product.minimal_quantity = 5 . $minimal_quantity = 5 . $precio_pack = 7.3
    6
    10 unidades
    ¡Ahorra un 3.42%!
    14,10€
    1,41€/ud
    7
    15 unidades
    ¡Ahorra un 6.16%!
    20,55€
    1,37€/ud
    8
    20 unidades
    ¡Ahorra un 10.96%!
    26,00€
    1,30€/ud
    Si quieres una caja, compra 5 unidades o múltiplos.
    Gramaje de 90 g/m2. 48 hojas. Referencia: LB32.
    desde 1,30€ + IVA
    1,30€
    Añadir al carrito Más
  • {"id_product":"15853","id_supplier":"0","id_manufacturer":"3","id_category_default":"2123","id_shop_default":"1","id_tax_rules_group":"5","on_sale":"1","online_only":"0","ean13":"","upc":"","ecotax":0,"quantity":848,"minimal_quantity":"1","price":4.09,"wholesale_price":"1.171000","unity":"","unit_price_ratio":"0.000000","additional_shipping_cost":"0.00","reference":"48182","supplier_reference":"","location":"","width":"0.000000","height":"0.000000","depth":"0.000000","weight":"0.130200","out_of_stock":"0","quantity_discount":"0","customizable":"0","uploadable_files":"0","text_fields":"0","active":"1","redirect_type":"404","id_product_redirected":"0","available_for_order":"1","available_date":"0000-00-00","condition":"new","show_price":"1","indexed":"1","visibility":"both","cache_is_pack":"0","cache_has_attachments":"0","is_virtual":"0","cache_default_attribute":"0","date_add":"2016-12-19 21:39:08","date_upd":"2025-04-28 10:22:14","advanced_stock_management":"0","pack_stock_type":"3","tarifa_roja":"3.290","fecha_almacen_mal":"0","fecha_almacen_gua":"0","fecha_importacion":"2020-08-06 00:07:13","was_imported":"csv","partnumber":"AC06","range_1":"3","range_2":"6","range_3":"12","range_4":"24","multiplier_1":"2.885","multiplier_2":"2.801","multiplier_3":"2.716","multiplier_4":"2.585","multiplier_colegios":"1.545","umv":"12","simple_store":"2","multiplier_colegios2":"1.89","id_shop":"1","number_sales":"10","id_product_attribute":"0","product_attribute_minimal_quantity":null,"description":"<p>Papel blanco de tono crema. Grano medio. Recomendado para t\u00e9cnicas h\u00famedas dado su gran cuerpo. Minipack de 6 hojas. Gramaje 300 g\/m2. Medidas 210x297 mm.<\/p>","description_short":"<p>Din A4. 6 HOJAS<\/p>","available_now":"","available_later":"","link_rewrite":"papel-acuarela-liderpapel-din-a4-gramaje-300-g-m2-48182","meta_description":"Papel acuarela Liderpapel Din A4 gramaje 300 g\/m2. Envi\u00f3 gratis siempre. Entrega en 48 horas.","meta_keywords":"","meta_title":"Papel acuarela Liderpapel Din A4 gramaje 300 g\/m2 (48182)","name":"Papel acuarela Liderpapel Din A4 gramaje 300 g\/m2","id_image":"15853-3057697","legend":"","manufacturer_name":"Liderpapel","category_default":"Blocs de dibujo y l\u00e1minas de dibujo","orderprice":"3.378400","almacen_dbp":"0","allow_oosp":0,"category":"blocs-de-dibujo-laminas-dibujo","link":"https:\/\/www.materialescolar.es\/blocs-de-dibujo-laminas-dibujo\/papel-acuarela-liderpapel-din-a4-gramaje-300-g-m2-48182.html","attribute_price":0,"price_tax_exc":3.29,"price_without_reduction":4.089799999999999,"reduction":0,"specific_prices":{"id_specific_price":"3689244985","id_specific_price_rule":"0","id_cart":"0","id_product":"15853","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":3.29,"from_quantity":"24","reduction":"0.000000","reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"50"},"quantity_all_versions":848,"features":[{"name":"T\u00e9cnica","value":"H\u00fameda","id_feature":"420"},{"name":"Tama\u00f1o","value":"Din A4","id_feature":"421"},{"name":"N\u00ba Hojas","value":"6","id_feature":"422"},{"name":"Gramaje","value":"300 g\/m2","id_feature":"423"},{"name":"Superficie de la Hoja","value":"Grano medio","id_feature":"424"}],"attachments":[],"virtual":0,"pack":0,"packItems":[],"nopackprice":0,"customization_required":false,"rate":21,"tax_name":"21%","quantity_discounts":[{"id_specific_price":"3689244982","id_specific_price_rule":"0","id_cart":"0","id_product":"15853","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"3.378400","from_quantity":"3","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"3","reduction_with_tax":0,"real_value":0.0019359999999997157,"nextQuantity":6},{"id_specific_price":"3689244983","id_specific_price_rule":"0","id_cart":"0","id_product":"15853","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"3.290000","from_quantity":"6","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"6","reduction_with_tax":0,"real_value":0.10889999999999933,"nextQuantity":12},{"id_specific_price":"3689244984","id_specific_price_rule":"0","id_cart":"0","id_product":"15853","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"3.290000","from_quantity":"12","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"12","reduction_with_tax":0,"real_value":0.10889999999999933,"nextQuantity":24},{"id_specific_price":"3689244985","id_specific_price_rule":"0","id_cart":"0","id_product":"15853","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"3.290000","from_quantity":"24","reduction":0,"reduction_tax":"1","reduction_type":"amount","from":"0000-00-00 00:00:00","to":"0000-00-00 00:00:00","score":"48","quantity":"24","reduction_with_tax":0,"real_value":0.10889999999999933,"nextQuantity":-1}],"ecotax_tax_inc":0,"ecotax_tax_exc":"0.000000","ecotaxTax_rate":0,"productPriceWithoutEcoTax":4.09,"group_reduction":0,"no_tax":false,"tax_enabled":true,"customer_group_without_tax":"0","base_price":3.3784,"productBasePriceTaxExcl_var":3.3784,"productBasePriceTaxIncl_var":4.089799999999999,"mostrar_vip":false,"tax_rate_var":21}

    Total: 4,09€ /1 ud

    4,09€/ud (más IVA)

    4,09€
    4,09€/ud
    $product.price = 4.09 . $precio = 4.09 . $product.minimal_quantity = 1 . $minimal_quantity = 1 . $precio_pack = 4.09
    10
    6 unidades
    ¡Ahorra un 2.66%!
    19,74€
    3,29€/ud
    Si quieres una caja, compra 12 unidades o múltiplos.
    Din A4. 6 HOJAS
    desde 3,29€ + IVA
    3,29€
    Añadir al carrito Más

  Descuentos para colegios