302 Geomag Magicube RE Blocks & Cards 16. The Original Magicube system has now become a world of magnetic building blocks with the addition of three new shapes: the half cube, quarter circle and the half sphere. Characters, animals, structures, vehicles with real wheels that magnetically attach to the blocks: you will be surprised how many things you can invent. The included 1:1 illustrated, progressively harder activity cards encourage shape recognition and improve building skills with each 3D model