Features: Brand new and high quality A great gift for kids: This STEM kits comes with all of the parts you need to build an elevator. Great gift for 7, 8, 9 ,10, 11, 12 years old boys and girls. Material : This STEM building toy is made of safe, high-quality wood with precise laser pre-cut, the edges of each component have a smooth finish can be tightly integrated, easy to assemble. Unique design: The science building toy can be painted and decorated to make them unique, and the finished product is very suitable for display on a table, shelf or showcase in a childrens bedroom, playroom or study area. Stimulate childrens interest and curiosity: With various 3D wood puzzles, gears, plates, and screws for children to DIY model! Kids will be excited and proud of their own model that actually moves. Cultivate creativity and imagination: By assembling this wood building kits, children can develop their hand-eye coordination, stimulate imagination and promote their physical and intellectual development. Specifications: Material: Wood Color: As Pictures Show Size (Approx.): Finished Size 65x80x208mm/2.56x3.15x8.19in Weight (Approx.): 82g Package Includes: 1 Set Elevator Science Project Stem Building Kits Toy for kids note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!