Unleash Your Creativity with High-Quality Metal Materials: The 3D metal puzzle scorpion DIY model kit lets you create a stunning, palm-sized model with amazing details and a wonderful DIY experience. Perfect for Teens and Adults: Creative metal models 3D dimensional mechanical puzzle sculpture is suitable for people over 14 years old. It's a great building model combination of education and entertainment, perfect for fun or relaxation. Challenging and Fun Puzzle: Assembling the puzzle requires great patience and observation, taking about 4-8 hours to complete. But the process is interesting and doesn't require glue or battery - just put it together with screws. Complete Kit: Our kit includes everything you need to build your own mechanical masterpiece, including 454 stainless steel parts, tools, and color drawing instructions. Finished product size: 18 cm x 11 cm x17cm. Great Gift Idea: This brain teaser metal scorpion king model is not only a fun and stress-relieving activity, but it also makes a great gift for friends and family on birthdays, Christmas, Halloween, Easter, Thanksgiving, and other special occasions.