4 in 1 STEM Kits, STEM Projects for Kids Ages 8-12, Assembly 3D Wooden Puzzles, Building Toys, DIY Educational Science Craft Model Kit, Gift for Boys and Girls 8 9 10 11 12 Years Old, Marble Run

A Great Gift for Kids: This STEM Kit comes with all of the parts you need to build mini fan, tower crane ,solar sputnik model, marble run. High Quality: These 3D wooden puzzles are made of safe, pollutant-free wood with precise laser pre-cut , the edges of each component have a smooth finish can be tightly integrated, easy to assemble. All parts are made of high-quality safe and recyclable materials. Unique Design: These DIY wooden building toys can be painted and decorated to make them unique, and the finished product are very suitable for display on a table, shelf or showcase in a children's bedroom, playroom or study area. Stimulate children’s interest and curiosity: With various 3D wooden puzzles, motor, gears, plates, shaft and screws for children to assemble 4 different styles of model! Kids will be excited and proud of their own model that actually moves. Cultivate Creativity and Imagination: By assembling this wooden building kit, children can develop their hand - eye coordination, stimulate imagination and promote their physical and intellectual development.