Just push and wiggle the marble along the twisting path for a fun and squishy tactile-rich activity. So comforting and cool, even grownups can’t keep their hand off of it! It’s familiar, fun and easy. Develop eye-hand coordination, strengthen fingers, improve dexterity, attention and focus. 14”x 14”. 2.2 pounds. Reduces boredom and anxiety. Great for all ages. Ages 4+.