MATERIAL: The Montessori Hundred Board are made of high quality wood, lightweight and sturdy, very safe, environmentally friendly. <br> DIMENSION: The 100-grid board measures about 9.05*9.05*0.47 inches (L*W*H), Number Cards measures about 0.79*0.79 inches (L*W). Portable size suit for indoor and outdoor, classroom and home use, travel use, convenient to carry around. <br>USEFUL EDUCATIONAL TOY GIFT: A great learning tool gift for children toddler kids boys girls. Also as a great ideal gift choice for Birthday/Christmas/New Year/Holiday and so on. Perfect educational toy to teach your children to count from 1 to 100.Help them to reinforce the sequence of numbers 1 though 100.<br> PACKAGE: Included A 100-grid board, A control board, 1-100 wooden number cards, and A storage box. Great for 2-7 years old children to learn counting and numbers.<br> PLEASE NOTE: The 1-100 Number Cards of Montessori Hundred Board might be a little smaller than you expected them to be, especially designed for toddler kids, easy for them to grasp. We suggested that your baby needs more supervision when playing the 1-100 board. Please understand.