Cartucho tinta Epson 26XP tricolor y negro C13T26164010

Pregúntanos sobre este producto
Cartucho tinta Epson 26XP tricolor y negro C13T26164010

Cartucho tinta Epson 26XP tricolor y negro C13T26164010

C13T26164010. 300 PAG

* Campos obligatorios

Añadir a mi lista
  • 1 ud (Cantidad mínima)
    57,88€
    57,88€/ud (IVA no incl)
  • 2 uds
    -1,64% dto.
    113,86€
    56,93€/ud (IVA no incl)
  • 3 uds
    -3,30% dto.
    167,91€
    55,97€/ud (IVA no incl)
  • 4 uds
    -6,60% dto.
    216,24€
    54,06€/ud (IVA no incl)
Ver productos alternativos

57,88€/1 ud


57,88€/ud (IVA no incl)
Total con IVA: 70,04€
Referencia78026
Ean8715946519869
Part numberC13T26164010
FabricanteEpson

Marca: Epson. Tipo de máquina: Impresora de tinta multifuncional. Modelos compatibles: Epson Expression Premium XP-600/ XP-605/ XP-700/ XP-800/ XP-510/ XP-520/ XP-610/ XP-615/ XP-615/ XP-620/ XP-625/ XP-710/ XP-720/ XP-810/ XP-8205. Color: cian, magenta, amarillo y negro. Referencia: C13T26164010. Impresión: 300 páginas. Rendimiento: estándar.

Debes para poder comentar los productos
Te resolvemos todas tus dudas sobre Cartucho tinta Epson 26XP tricolor y negro C13T26164010 Sé el primero en hacernos saber tus dudas acerca de este producto

PRODUCTOS ALTERNATIVOS
  • {"id_product":"19808","id_supplier":"0","id_manufacturer":"11","id_category_default":"2235","id_shop_default":"1","id_tax_rules_group":"7","on_sale":"1","online_only":"0","ean13":"0886111144143","upc":"","ecotax":0,"quantity":4,"minimal_quantity":"1","price":162.97,"wholesale_price":"101.379000","unity":"","unit_price_ratio":"0.000000","additional_shipping_cost":"0.00","reference":"57063","supplier_reference":"","location":"","width":"0.000000","height":"0.000000","depth":"0.000000","weight":"0.100000","out_of_stock":"1","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 21:39:45","date_upd":"2025-11-16 10:21:56","advanced_stock_management":"0","pack_stock_type":"3","tarifa_roja":"0","fecha_almacen_mal":"0","fecha_almacen_gua":"0","fecha_importacion":"2020-08-06 00:08:10","was_imported":"csv","partnumber":"CF280A","range_1":"1","range_2":"2","range_3":"3","range_4":"4","multiplier_1":"1.3284","multiplier_2":"1.3068","multiplier_3":"1.2852","multiplier_4":"1.242","multiplier_colegios":"1.12","umv":"1","simple_store":"2","multiplier_colegios2":"1.15","id_shop":"1","number_sales":"0","id_product_attribute":"0","product_attribute_minimal_quantity":null,"description":"<p>Rendimiento: Est\u00e1ndar. 2700 p\u00e1ginas. Color: negro. Dise\u00f1ado especialmente para impresora HP LaserJet o multifunci\u00f3n. Modelos compatibles: Laserjet Pro 400 M401a\/ 401d\/ 400 M401dn\/ 400 Refurbished Printer M401 dn\/ 400 M401dw\/ 400 M401dne\/ 400 Refurbished Printer M401n\/ 400 M425dn\/ 400 Refurbished MFP M425dn.<\/p>","description_short":"<p>2700 pag<\/p>","available_now":"","available_later":"ENCARGAR (72 h.)","link_rewrite":"toner-hp-80a-laserjet-color-negro-cf280a-57063","meta_description":"Toner HP 80A laserjet color negro CF280A (57063). Envio gratis siempre. Entrega en 48 horas. ","meta_keywords":"","meta_title":"Toner HP 80A laserjet color negro CF280A (57063)","name":"TONER HP LASERJET NEGRO CF280A 2700 PAG","id_image":"19808-3049582","legend":"","manufacturer_name":"HP","category_default":"Cartuchos y t\u00f3ner","orderprice":"134.671900","almacen_dbp":"42","allow_oosp":1,"category":"cartuchos-y-toner","link":"https:\/\/www.materialescolar.es\/cartuchos-y-toner\/toner-hp-80a-laserjet-color-negro-cf280a-57063.html","attribute_price":0,"price_tax_exc":125.92,"price_without_reduction":162.96280000000002,"reduction":0,"specific_prices":{"id_specific_price":"3763457012","id_specific_price_rule":"0","id_cart":"0","id_product":"19808","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":125.92,"from_quantity":"4","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":4,"features":[],"attachments":[],"virtual":0,"pack":0,"packItems":[],"nopackprice":0,"customization_required":false,"rate":21,"tax_name":"21%","quantity_discounts":[{"id_specific_price":"3763457009","id_specific_price_rule":"0","id_cart":"0","id_product":"19808","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"134.671900","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":0.009801000000038584,"nextQuantity":2},{"id_specific_price":"3763457010","id_specific_price_rule":"0","id_cart":"0","id_product":"19808","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"132.482100","from_quantity":"2","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":"2","reduction_with_tax":0,"real_value":2.6594590000000267,"nextQuantity":3},{"id_specific_price":"3763457011","id_specific_price_rule":"0","id_cart":"0","id_product":"19808","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"130.292300","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":5.309117000000015,"nextQuantity":4},{"id_specific_price":"3763457012","id_specific_price_rule":"0","id_cart":"0","id_product":"19808","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"125.912800","from_quantity":"4","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":"4","reduction_with_tax":0,"real_value":10.608312000000012,"nextQuantity":-1}],"ecotax_tax_inc":0,"ecotax_tax_exc":"0.000000","ecotaxTax_rate":0,"productPriceWithoutEcoTax":162.97,"group_reduction":0,"no_tax":false,"tax_enabled":true,"customer_group_without_tax":"0","base_price":134.68,"productBasePriceTaxExcl_var":134.68,"productBasePriceTaxIncl_var":162.96280000000002,"mostrar_vip":false,"tax_rate_var":21}
    134,68€
    134,68€/ud
    $product.price = 162.97 . $precio = 134.68 . $product.minimal_quantity = 1 . $minimal_quantity = 1 . $precio_pack = 134.68
    2
    2 unidades
    ¡Ahorra un 1.63%!
    264,98€
    132,49€/ud
    3
    3 unidades
    ¡Ahorra un 3.25%!
    390,90€
    130,30€/ud
    4
    4 unidades
    ¡Ahorra un 6.5%!
    503,68€
    125,92€/ud
PRODUCTOS COMPLEMENTARIOS
  • {"id_product":"124331","id_supplier":"0","id_manufacturer":"98","id_category_default":"1933","id_shop_default":"1","id_tax_rules_group":"7","on_sale":"1","online_only":"0","ean13":"0013803228052","upc":"","ecotax":0,"quantity":1,"minimal_quantity":"1","price":47.13,"wholesale_price":"22.115000","unity":"","unit_price_ratio":"0.000000","additional_shipping_cost":"0.00","reference":"162409","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":"2021-05-06 00:00:33","date_upd":"2025-11-16 10:20:59","advanced_stock_management":"0","pack_stock_type":"3","tarifa_roja":"0","fecha_almacen_mal":"","fecha_almacen_gua":"","fecha_importacion":"2021-04-06 09:56:03","was_imported":"old","partnumber":"0775B001 ","range_1":"1","range_2":"3","range_3":"5","range_4":"7","multiplier_1":"1.761","multiplier_2":"1.7","multiplier_3":"1.658","multiplier_4":"1.566","multiplier_colegios":"1.236","umv":"1","simple_store":"2","multiplier_colegios2":"1.575","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\">Papel foto canon a4 brillante 200gr\/m2 paquete 100 hojas.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td>\n<p class=\"textoEspecial\">Papel fotogr\u00e1fico acabado brillante. Formato a4. Gramaje: 200 g\/m\u00b2. Paquete de 100 hojas.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","description_short":"<p>DIN\u00a0A4. 100 HOJAS<\/p>","available_now":"","available_later":"","link_rewrite":"papel-foto-canon-a4-brillante-200gr-m2-paquete-100-hojas-162409","meta_description":"PAPEL FOTO CANON A4 BRILLANTE 200GR\/M2 PAQUETE 100 HOJAS","meta_keywords":"","meta_title":"PAPEL FOTO CANON A4 BRILLANTE 200GR\/M2 PAQUETE 100 HOJAS","name":"PAPEL FOTO CANON DIN A4 BRILLANTE 200GR\/M2 PAQUETE 100 HOJAS","id_image":"124331-3119139","legend":"","manufacturer_name":"Canon","category_default":"Papeles especiales: carb\u00f3n, transfer, continuo y foto","orderprice":"38.944600","almacen_dbp":"0","allow_oosp":0,"category":"papel-continuo-carbon-transfer-foto","link":"https:\/\/www.materialescolar.es\/papel-continuo-carbon-transfer-foto\/papel-foto-canon-a4-brillante-200gr-m2-paquete-100-hojas-162409.html","attribute_price":0,"price_tax_exc":34.64,"price_without_reduction":47.1295,"reduction":0,"specific_prices":{"id_specific_price":"3763034931","id_specific_price_rule":"0","id_cart":"0","id_product":"124331","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":34.64,"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":1,"features":[{"name":"Tama\u00f1o de Papel","value":"Din A4","id_feature":"12"},{"name":"Tipo","value":"Fotograf\u00eda","id_feature":"11"},{"name":"Gramaje","value":"200 g\/m2","id_feature":"13"},{"name":"Color","value":"Blanco","id_feature":"14"},{"name":"Acabado","value":"Brillo","id_feature":"15"},{"name":"Adhesivo","value":"No","id_feature":"16"},{"name":"Ecol\u00f3gico","value":"No","id_feature":"17"},{"name":"Taladros","value":"No","id_feature":"18"},{"name":"N\u00ba Hojas \/ Paquete","value":"100","id_feature":"518"},{"name":"Uso","value":"Foto","id_feature":"625"}],"attachments":[],"virtual":0,"pack":0,"packItems":[],"nopackprice":0,"customization_required":false,"rate":21,"tax_name":"21%","quantity_discounts":[{"id_specific_price":"3763034928","id_specific_price_rule":"0","id_cart":"0","id_product":"124331","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"38.944600","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":0.006534000000002038,"nextQuantity":3},{"id_specific_price":"3763034929","id_specific_price_rule":"0","id_cart":"0","id_product":"124331","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"37.595500","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":1.6389449999999997,"nextQuantity":5},{"id_specific_price":"3763034930","id_specific_price_rule":"0","id_cart":"0","id_product":"124331","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"36.666700","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":2.762793000000002,"nextQuantity":7},{"id_specific_price":"3763034931","id_specific_price_rule":"0","id_cart":"0","id_product":"124331","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"34.632100","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":5.224659000000003,"nextQuantity":-1}],"ecotax_tax_inc":0,"ecotax_tax_exc":"0.000000","ecotaxTax_rate":0,"productPriceWithoutEcoTax":47.13,"group_reduction":0,"no_tax":false,"tax_enabled":true,"customer_group_without_tax":"0","base_price":38.95,"productBasePriceTaxExcl_var":38.95,"productBasePriceTaxIncl_var":47.1295,"mostrar_vip":false,"tax_rate_var":21}
    38,95€
    38,95€/ud
    $product.price = 47.13 . $precio = 38.95 . $product.minimal_quantity = 1 . $minimal_quantity = 1 . $precio_pack = 38.95
    2
    3 unidades
    ¡Ahorra un 3.47%!
    112,80€
    37,60€/ud
    3
    5 unidades
    ¡Ahorra un 5.85%!
    183,35€
    36,67€/ud
    4
    7 unidades
    ¡Ahorra un 11.07%!
    242,48€
    34,64€/ud
  • {"id_product":"284926","id_supplier":"0","id_manufacturer":"43","id_category_default":"2254","id_shop_default":"1","id_tax_rules_group":"7","on_sale":"1","online_only":"0","ean13":"5016812388613","upc":"","ecotax":0,"quantity":8,"minimal_quantity":"1","price":23.14,"wholesale_price":"9.851000","unity":"","unit_price_ratio":"0.000000","additional_shipping_cost":"0.00","reference":"89401","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 10:20:51","date_upd":"2025-11-16 10:22:07","advanced_stock_management":"0","pack_stock_type":"3","tarifa_roja":"0","fecha_almacen_mal":"","fecha_almacen_gua":"","fecha_importacion":"2024-01-16 00:02:05","was_imported":"old","partnumber":"34438861 ","range_1":"1","range_2":"3","range_3":"5","range_4":"7","multiplier_1":"1.94","multiplier_2":"1.87","multiplier_3":"1.84","multiplier_4":"1.74","multiplier_colegios":"1.34","umv":"1","simple_store":"2","multiplier_colegios2":"1.46","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 class=\"textoEspecial\">\n<p>Descubre la soluci\u00f3n integral para el mantenimiento de tus pizarras blancas con este completo kit de inicio. Dise\u00f1ado especialmente para facilitar el cuidado y la limpieza, este set proporciona todos los elementos necesarios para mantener tu pizarra NOBO siempre en \u00f3ptimas condiciones, asegurando as\u00ed una escritura clara y legible en cada uso.<\/p>\n<ul>\n<li><span>Limpiador en Spray:<\/span>\u00a0F\u00f3rmula especial que elimina eficazmente manchas y residuos de tinta.<\/li>\n<li><span>Borrador de Pizarra:<\/span>\u00a0Material suave que asegura una limpieza sin da\u00f1ar la superficie.<\/li>\n<li><span>Pa\u00f1os de Limpieza:<\/span>\u00a0No abrasivos, ideales para un acabado perfecto sin rayones.<\/li>\n<\/ul>\n<p>Mantener tu pizarra blanca siempre lista para el pr\u00f3ximo proyecto nunca ha sido tan sencillo. Ya sea en un aula, oficina o en casa, este kit garantiza que el contenido sea siempre visible y la superficie se conserve como nueva. A\u00f1\u00e1delo a tu rutina de limpieza y prolonga la vida \u00fatil de tu pizarra blanca con facilidad y eficacia.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","description_short":"<p>KIT PIZARRA BLANCA<\/p>","available_now":"","available_later":"","link_rewrite":"kit-limpieza-nobo-para-pizarra-blanca-89401","meta_description":"KIT LIMPIEZA NOBO PARA PIZARRA BLANCA","meta_keywords":"","meta_title":"KIT LIMPIEZA NOBO PARA PIZARRA BLANCA","name":"KIT LIMPIEZA NOBO PARA PIZARRA BLANCA","id_image":"284926-4299656","legend":"","manufacturer_name":"Nobo","category_default":"Tizas, rotuladores pizarra, Blocs pizarra, imanes y se\u00f1alizadores","orderprice":"19.111000","almacen_dbp":null,"allow_oosp":0,"category":"tizas-rotuladores-pizarras","link":"https:\/\/www.materialescolar.es\/tizas-rotuladores-pizarras\/kit-limpieza-nobo-para-pizarra-blanca-89401.html","attribute_price":0,"price_tax_exc":17.15,"price_without_reduction":23.1352,"reduction":0,"specific_prices":{"id_specific_price":"3763564351","id_specific_price_rule":"0","id_cart":"0","id_product":"284926","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":17.15,"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":8,"features":[{"name":"Aplicaci\u00f3n","value":"Pizarra blanca","id_feature":"326"},{"name":"Tipo","value":"Borradores y limpiadores","id_feature":"327"}],"attachments":[],"virtual":0,"pack":0,"packItems":[],"nopackprice":0,"customization_required":false,"rate":21,"tax_name":"21%","quantity_discounts":[{"id_specific_price":"3763564348","id_specific_price_rule":"0","id_cart":"0","id_product":"284926","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"19.111000","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":0.010889999999999844,"nextQuantity":3},{"id_specific_price":"3763564349","id_specific_price_rule":"0","id_cart":"0","id_product":"284926","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"18.421400","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":0.8453060000000043,"nextQuantity":5},{"id_specific_price":"3763564350","id_specific_price_rule":"0","id_cart":"0","id_product":"284926","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"18.125900","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":1.2028609999999986,"nextQuantity":7},{"id_specific_price":"3763564351","id_specific_price_rule":"0","id_cart":"0","id_product":"284926","id_shop":"1","id_shop_group":"0","id_currency":"0","id_country":"0","id_group":"0","id_customer":"0","id_product_attribute":"0","price":"17.140800","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":2.3948320000000045,"nextQuantity":-1}],"ecotax_tax_inc":0,"ecotax_tax_exc":"0.000000","ecotaxTax_rate":0,"productPriceWithoutEcoTax":23.14,"group_reduction":0,"no_tax":false,"tax_enabled":true,"customer_group_without_tax":"0","base_price":19.12,"productBasePriceTaxExcl_var":19.12,"productBasePriceTaxIncl_var":23.1352,"mostrar_vip":false,"tax_rate_var":21}
    19,12€
    19,12€/ud
    $product.price = 23.14 . $precio = 19.12 . $product.minimal_quantity = 1 . $minimal_quantity = 1 . $precio_pack = 19.12
    6
    3 unidades
    ¡Ahorra un 3.61%!
    55,29€
    18,43€/ud
    7
    5 unidades
    ¡Ahorra un 5.18%!
    90,65€
    18,13€/ud
    8
    7 unidades
    ¡Ahorra un 10.3%!
    120,05€
    17,15€/ud

  Descuentos para colegios