209PCS 3D Metal Ammunition Infantry Mobile Phone Holder DIY Mechanical Kit Teching which is fixed with an

which is fixed with an M3 screw with a length of 6mm

but also the engine is capable of lighting the bulb

Aluminum alloy crankcase

power of 62KG under 2S lithium battery)

change the pure copper flywheel

209PCS 3D Metal Ammunition Infantry Mobile Phone Holder DIY Mechanical Kit Teching which is fixed with an209PCS 3D Metal Ammunition Infantry Mobile Phone Holder DIY Mechanical Kit Features: Material: The steampunk style model is made of high quality metal materials. Amazing details and wonderful DIY experience. Assembling this model not only exercises hands on ability and creativity, the 3D metal puzzle can also cultivate problem solving and reasoning skills. Difficulty Of Assembly: 3D puzzle collectors are just looking for a new hobby, want to challenge