Your youngster will be able to develop fine motor skills with this big, bright and bold Gear Building Set from Toysmith. These 65 colorful pieces are a great way to get your little one excited about math, science, engineering, and art - all in one! Collaborative and creative, these gear building blocks are great for getting children excited about play! Pieces twist, turn and spin until you snap them together. Each colored gear piece measures approx 1.25 inches in diameter. Container measures approx 3 inches tall x 3 inches in diameter. Recommended for ages 3 and up