ShengShou Twist Snake. Blue and White | Maskecubos.com
Cobra by aniwayile, via Flickr | Hamma beads ideas, Magic puzzles, Twisty puzzles
KewbzUK QiYi Magic Snake 24 Part Block Twisty Fidget Plastic Toy 3D Magic Ruler IQ Puzzle. Perfect for Adults, Children, Boys or Girls. (Green) : Amazon.co.uk: Toys & Games
Amazon.com: Rubik's Connector Snake, Two-Pack Cubes 3D Puzzle Game Stress Relief Fidget Toy Activity Cube Travel Game Gift Idea, for Adults & Kids Ages 8 and up : Toys & Games