This Favorite Collection Of 100 Wooden Blocks Comes In Four Colors And Nine Shapes. Little Builders Three And Older Will Find It Easy To Grasp The Approximately 1-Inch To 2.25-Inch Smooth Blocks. Kids Delight In Stacking, Building, And Knocking Them Down In Countless Colorful Combinations, While Gaining Invaluable Practice With Fine Motor Skills And Dexterity, Color And Shape Recognition, And Pre-Math Skills.