For ages 3 years and up. -Environmentally safe materials. -Helps develop a child's mathematical skills.Generic Dimensions: -Overall dimensions: 9.06'' H x 7.4'' W x 2.95'' D. Dimensions: Overall Height - Top to Bottom: -9.06 Inches. Overall Width - Side to Side: -7.4 Inches. Overall Depth - Front to Back: -2.95 Inches. Overall Product Weight: -0.66 Pounds.