Sequential Movement

ShengShou 2x2x2
Shengshou 6x6x6 V1
ShengShou Pyraminx
Shifty
Siamese 6 Cubes
Siamese Cube
Siaminx
Six Spot Cube
Skewb Xtreme
Sliding Maze
Slim 3x3x3
Smart Egg - Black Dragon
Smart Egg - Groovy