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. This product is certified by the Forest Stewardship Council. FSC certification ensures that products come from responsibly managed forests that provide environmental, social, and economic benefits, and that forests are protected for future generations.