The wooden organizer allows the child to learn colors & helps to organize the crayons. Stickers representing the individual colors are placed on both sides of the organizer. The wood from which the sorter is made has been protected with a colorless ALTAx varnish, which is safe for children also with allergies. The varnish makes it easier to keep the sorter clean. - length 47 cm - height 7 cm - width 5 cm - diameter of the hole for crayons 30 mm each hole will hold approximately 10 crayons, so this organizer will hold up to 100 crayons. Wooden Montessori Pencil Holder, Crayons Organizer, Organizer For Crayons, 10 Colours Holder