Ages 6+. The original. World's No. 1. Transform your thoughts into shapes! Try these shapes! Spaceship. Snake. Dog. Duncan's Serpent Snake Puzzle is a twistable challenge of unlimited puzzle shapes. Start twisting and let your imagination transform your thoughts into shapes. Turn a ball into a triangle. A snake into a dog. Use your own creativity to make your new shapes! Try these shapes! Duck. Heart. Giraffe. CE listed. Do not discard packaging. It contains important safety information. Made in China.