Reliquarium
3D slider puzzles for kids; helps teach solid geometry
Reliquarium is a very unique set of 3-Dimensional slider puzzles with a Crystal Skull theme. A totally new category of puzzle that would be impossible to build or manipulate in physical form. They can help improve 3D visualization and problem solving skills. Suitable for children preparing for math or geometry, as well as adults. Works on laptops or PCs or Macs running Windows, OSX, or Linux.