TwinsA moving hole puzzle with only six pieces and one plunger but still very complex.
Twister 4One hole in four non-intersecting circles of which two are connected.
UzoryA variant of the famous "15" puzzle which allows endless beautiful patterns.
Varikon 4x16Four transparent mini 4x4-whip-it's fused to create an impressivly long puzzle.
Virus IA difficult modification of the 15 Puzzle.
Wisdom Ball - BreakthroughSix rotating disks with eight numbered tiles each and one moving hole. This version is somewhere between ADVANCED and the traditional puzzle.
Wisdom Ball IISort of a Junior Wisdom Ball with only four tiles per face.