ROBOTIME 3D Jigsaw Puzzle Construction Set DIY Mechanical Model Build Kit 3D Laser Cut Woodcraft Model Making Puzzle Challenge Gift Set for Adult and Teens (Tractor)

QUALITY SELF PROPELLED WOOD Jigsaw Puzzle - Laser cut technology allows the piece to work with its intelligent mechanical mechanism. Handmade by the finest master craftsmen using only traditional methods and techniques. These high quality model kits are self-propelled, no batteries required. A few waxes and the tools provided will make them move smoothly.
Original Design & Laser Cutting Technology: These puzzles are made of non-toxic and environmentally friendly plywood. Advantages of its original design with amazing detail, they will give you hours of wonderful DIY fun. Laser cutting technology ensures that the wooden parts are smooth, no burrs and no sharp edges. All parts are pre-cut, no glue needed. Easy to assemble with detailed English manual.
Creative Activity for Brain and Memory - These 3D mechanical wooden puzzles require a minimum of 4 hours of DIY fun Puzzle activities have been scientifically proven to improve memory, relieve stress, improve visual and spatial skil