Name: Yellow Crane Tower 3D puzzle Material: Brass,Stainless iron Size: 16.5cm x 16.5cm x 18.5cm Color: colorful The Quantity of Sheets: 5 pcs Age: 14+ Degree of difficulty: 8 Stars Feature: Original design,No glue required. All puzzle have petent, and good quality. 3D Assembly Model For Home Deco or Friends Gift. Amazing details and wonderful DIY experience. One Step By Step image manual,easy to assemble.