Stacking Blocks by Geomag. Details:Magicube free building allows you to let your creativity flow freely. Watch as the set takes shape and develops with your imagination. Build incredible constructions with the 64 cubes set and push your creativity further! Geomag magicube is a construction system created by Geomag, The leader in magnetic toys. Geomag has reinvented the classic building with cubes game and has made it incredibly fun and most of all magical! These cubes can stick together on any side. They can even remain suspended in the air! This way the structures become surprising and easy to build for everyone, even for very small children. All sets are compatible with each other.