Marble Run Model Building Kits Electrical 3D Wooden Puzzle DIY Roller Coaster for Decoration

Description:

- 【Marble Run Model】: 3d puzzle diy marble run model building kits, unique shape, fun splicing, interlocking assembly, no tools required, fun.

- 【Mechanical gear drive】: Electric mechanical gear drive start, put on steel marbles, they will automatically run on complex tracks.

- 【Durable and Smooth】: The 3D puzzle marble running model made of environmentally friendly wooden material, smooth and no burrs, durable.

- 【Easy to Complete】: Mechanical model 3d wooden puzzle easy to assemble. Challenging and fun, you can enjoy this puzzle with your kids and family.

- 【 Gift】: Craft toy marble run puzzle a beneficial and fun project for teenagers and adults.

Specification:

- Material: Wood Size Chart: 22cmx20.5cmx17.2cm/8.66inchx8.07inchx6.77inch

Package Includes: 1 Set Wood 3D Puzzle Marble Run