You can recognize the Happy Cube Pro by its bright colours! A puzzle not for the faint of heart… These are puzzles for real pros! Each foam puzzle has only one solution and has its own shapes, colour, and name. The puzzle names refer to famous world citizens. Take for example the orange puzzle, named after the famous painter Rubens. The information provided here is as complete and accurate as possible; however, product names, colours and/or materials are subject to change without notice.