Funtime 3D Crystal Puzzle The 3D Crystal Puzzle Train is for every puzzler who loves a challenge. Instead of putting flat pieces of the puzzle together, you build this 3D puzzle layer by layer. The manual shows the order in which the 38 pieces have to be placed. With a lot of patience and logical thinking everyone can assemble the 3D puzzle and with the included key you can secure the puzzle pieces firmly. Place the 3D Crystal Puzzle Train in a prominent place and show off your masterpiece! Specifications: Dimensions: 14.5 x 9.5 x 4.8 cm (L x W x H) Material: plastic Age: from 12 years old Gender: unisex Colour: transparent