Includes 180 colorful interlocking building blocks in 8 different colors including purple, blue, red, green and yellow. Helps develop fine motor skills and imagination through hands-on building with endless possibilities. Improves memory, concentration, manual dexterity, hand-eye coordination, color recognition, sorting, attention and focus. Stem educational toy that fosters Science, Technology, Engineering and Math skills through interactive play. Suitable gift for children over 3 years old. Weight: 1.91 pounds.