Building Toys Truck Car Set - Stem Project For Kids Ages 3-8, Assembly Building Blaock Truck Model Car Kits Toys For Kids Boys 3 4 5 6 7 8 Years Old B

[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 project building truck set will be bigger than you expect. Really suitable for model truck fans and DIY enthusiasts.[Detailed Instructions & Easy To Follow] We have prepared clear instructions for the children, showing the diagrams of each step, and everything is clearly marked. This teaches them to follow directions and ensures they won't become overwhelmed or frustrated while they play. Wrenches and screwdrivers are also prepared for children to assemble parts easily.one-sizeABS