Lucky Doug STEM Building Projects Model Truck Set - Building Toys for Kids Ages

New 1 x Lucky Doug STEM Building Projects Model Truck Set - Building Toys for Kids Ages 8-12, Assembly Science Army Toys for Boys 8 9 10 11 Years Old 【Durable Metal Made】 Our building toys truck set includes 391 parts and pieces, such as nuts, bolts, small screwdriver, and wrench, etc., Made of metal, which can stand rough play without worrying about easy collapse. A great careful crafting STEM project building set, worth paying a little more compared to full plastic versions. 【Support STEM Education For Children Aged 8-16】 The children think carefully and patiently assemble the truck from the screws and gears. They are learning STEM skills during this about 5 hours assemble process! By STEM building, we believe in empowering children to promote their creative learning and brain development. 【Bigger Size Building Truck】 This building toys model truck measures over 4.7'' high, 9.9'' long, and 5.1" wide, making it a beautiful display piece to show off with pride. I believe the STEM proj