Rubik's Pyramid by Winning Moves | Barnes & Noble®
Master Tetrahedron Demonstration Part 1: The Skewb and Pyraminx Stage - YouTube
This is my Rubik's cube shaped in a pyramid. And only this corner is turned, is there an algorithm for this? : r/Rubiks_Cubes
Amazon.co.jp: Shape Rubik's Cube 4Teen Axis Tetrahedron Anti-pop Construction Durable Puzzle Toy Bright Colors Improve Logical Thinking Skills Fun Game : Toys & Games