Rubik's Snake patterns (including patterns for extra long snakes) | Øistein Holen
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 – Shop Spin Master
Figure 1 from Configuration analysis of a reconfigurable Rubik's snake robot | Semantic Scholar