Cubendi Puzzle: Dissect a cube into 4 equal irregular tetrahedra 8 equal irregular triangular pyramids, connect these 12 pieces symmetrically with hinges and add 48 magnets to create the Cubendi cube. This assembly can make a number of surprising symmetrical forms including this rectangular prism with a square hole. More math fun with this second hinged dissection cube puzzle from the makers of the Shashibo Cube. ➡️ Follow the link in my profile for info on where to get dissected cube puzzles an