This is a 3D puzzle from Canada's Great Circle Works. It is currently out of stock and difficult to obtain. Currently, Gigamic's Katamino Tower is sold as a similar puzzle. - Pieces - Base - Storage bag - Instruction manual Educational toy, brain training, board game -------------------- Logic Tower is a 3D puzzle with a total of 22,069 possible solutions. It is composed of 4 levels, so it can be enjoyed by everyone from young children to adults. There are 15 pieces in total, and the number of pieces used varies by level, with more pieces used as the difficulty increases. 880