3D Puzzles are DIY toys as well as promotional items and tourism souvenirs which are for fun, education and appreciation. Made of paper & EPS foam board, it can be easily assembled without any tools into cubic models such as world famous buildings, autos, military arms, hobbies & cartoon images, and much more. Finished models with LED lighting are delicate household decoration as well as an artwork and collection, and therefore enjoy popularity among families, kids, corporations and tourists.