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Moving: Hole
Twin CubeThe sliding blocks puzzle implemented with a Siamese Cube.
Twin CubesThe sliding blocks puzzle as Siamese 2x2x2.
TwinsA moving hole puzzle with only six pieces and one plunger but still very complex.

Twist & SlideA 2x2x2 combined with a moving hole (aka sliding piece) puzzle.
Twist and Slide 4x4x4A puzzle combining a 2x2x2 with a Sliding-4x4x4 which therefore lacks one cubies.
Twist and Slide 5x5x5A 3x3x3 with a sliding block puzzle on the edges.

Twisted MindA moving hole puzzle where you can can twist the 4 corner tiles all at once.
Twisting RingsA moving hole puzzle where you can can twist the 4 corner tiles all at once.
TwistoManiaA moving hole puzzle where you can can twist the 4 corner tiles all at once.

Twisty&Sliding PuzzleThis puzzles combines the Rubiks Cube (aka 3x3x3) with a SlidingBlocks-Puzzle like Magic Jack.
Varikon (4 layers)Four layers and four columns of marbles moved with the help of an additional single hole.
Varikon (4 layers) (soviet union)Four layers and four columns of marbles moved with the help of an additional single hole. This version steems from the former soviet union.

Varikon (5 layers)Five layers and five columns of marbles moved with the help of an additional single hole.
Varikon (5 layers) (soviet union)Five layers and four columns of marbles moved with the help of an additional single hole. These versions (there were many of them) steem from the former soviet union.
Varikon (6 layers)Six layers and six columns of marbles moved with the help of an additional single hole in a seventh layer.


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