Safety material The multiplication board is made of natural wood, not easy to damage and durable. High quality craftsmanship, the surface is smooth with no burrs, which will not hurt childrens hands, building block toys are safe for your children. 9 9 multiplication table High-quality multiplication platform calculation aid including wooden cubes in different colors. For multiplication tables 1 to 9, the answer is on the back of each tile. Unique design 9 different colors can help kids recognize colors. Bright dice and numbers can improve childrens eyesight and attract babies attention. Children can learn to recognize colors and perceive a colorful world. Learning tools With the wooden blocks, children can learn to deal with numbers confidently with more ease and fun with the little 1x1, and solve the multiplication tasks more easily. This is a great parent-child interactive game too. Multiple use The educational toy is suitable for elementary school students, math enthusiasts and future math professionals. It can also be used as a birthday gift, Christmas gift, travel gift.