- 【Wooden 3D Puzzle】This wooden marble run is assembled from 115 parts. The wooden kit comes with clear instructions and 5 steel balls. Start your building adventure right away.
- 【Wooden Puzzle】: The 3d wooden puzzle building kit mechanical model is a masterpiece of art and technology. All parts can be completed by pure physical splicing, and you can collect the fun of assembly by yourself. The assembly process can train logical thinking, observation, attention and practical ability.
- 【3D Wooden Puzzle】: marble run wooden are full of fun. The ball passes through the magic funnel of the rotating accelerator on the track, full of tilt and rotation, ultra-rigid five sets of gear connections and endless rotation. wooden models gives you the opportunity to understand gravity, gears, design, machines, motors and many other concepts. wooden model kits for adults can improve memory, relieve stress, improve visual spatial thinking and increase IQ.
- 【Wooden Marble Run】: wooden model kits are easy to install. The adult building kits instructions are very clear and complete, easy to understand and follow. Just take off the puzzle and follow the installation instructions step by step. Assembly takes a lot of time and requires carefulness and patience.
- 【Wooden Structure】: This 3d wooden puzzles for adults set is made of wood boards, which are smooth without burrs and sharp edges and will not hurt your hands. wooden marble run are fragile and require special care when assembling.
