Brainstring AdvancedAn improved design and an additional set of strings set this version apart from the original.
BramboulesInspired by CMetrick this puzzle pushes that concept to a new level.
CerberusSix telescopic rods have to be arranged into a pentagram.
ChronosA puzzle which is based on the fourth dimensional symmetry (edge-transitivity) of the 4D polytope 5-cell (also known as Pentachoron)
Clock 4x4Rubiks Clock scaled up to greater size.
ColossusA puzzle which is based on the fourth dimensional symmetry (edge-transitivity) of the 4D polytope 24-cell (also known as Icositetrachoron).
CosmosThis puzzle pretends to be based on a 4D polytope but it is not. Instead it is a cube with its antipodes connected.
Crazy Elephant DanceA generalized version of Elephant Spin-Out. All elephants allows three different states instead of two.
Elephant OutA colourful version of Spin Out, but in a smaller size and the knobs are decorated with elephants.