Rubik's Professor, 5x5 Cube Color-Matching Puzzle Highly Complex Challenging Problem-Solving Brain Teaser Fidget Toy, for Adults & Kids Ages 7 and up

Rubik’s Cube, 5x5 Cube Color-Matching Puzzle Highly Complex Challenging Problem-Solving Brain Teaser Fidget Toy, for Adults & Kids Ages 8 and up

Rubik's Cube, The Official 2x2 Rubik's Cube, Mini Problem-Solving Brain Teaser, Color-Matching Puzzle, Fidget Toy & Sensory Puzzle, for Ages 8 & Up

Rubik’s Tower, 2x2x4 Complex Color-Matching Puzzle Travel Problem-Solving Cube Challenging Brain Teaser Fidget Toy, for Adults & Kids Ages 8 and up