Heavy Truck And Trailer Mechanical Wooden 3D Puzzle Set Hands On DIY Build Kit With Wind Up Rubber Band Motor And R6 Engine For STEM Fans And Hobby Builders Two Pack
UPC:
✔️ Two-pack wind-up truck with rubber-band motor and working transmission
The Heavy Boy VM-03 two-pack puzzle kit is a wooden, mechanical build featuring a tractor and hitch, with a trailer designed to attach to the truck (trailer model sold separately). The wind-up rubber-band motor powers a working R6 engine and a transmission, allowing forward, reverse, or idle motion. Front-sprung wheels and a working steering wheel let you steer the direction, and a traditional hitch system connects the tractor and trailer for a realistic look.
✅ Wind-up rubber-band motor powers travel up to 16 feet per crank✅ Working transmission supports forward, reverse, and idle motion
✅ Front-sprung wheels and a working steering wheel for directional control
✅ Traditional hitch system to connect tractor and trailer (trailer model sold separately)
✅ Two-pack set: includes two VM-03 kits for a heavy truck and trailer look
💡 What is a wind-up wooden puzzle kit used for? This handy, hands-on kit helps explain mechanical concepts with visible motion. - wind-up mechanism and gear trains for learning motion - hands-on assembly builds understanding of mechanical design - showcases a rubber-band motor and R6 engine in action
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