Electrical 3D Wooden Puzzle Marble Run Model Building Kits Self Assembly Toy DIY Roller Coaster

Description:

- 【3D Puzzle】: Mechanical 3D puzzle, During the rotation process between gears, potential energy is converted into dynamic energy, causing the beads to fall from high to low.

- 【Assemble Model Set】:Marble Run Model Building Kits, simple assembly, enjoy the fun of DIY, build and create with your hands.

- 【Material】: This Roller Coaster Building Kits are made of environmental wood material,smooth.

- 【Educational】: The 3D Wooden puzzle is a fun educational toy, to help develop eye hand coordination, recognition skills and creativity skills.

- 【Nice Gift】: Wooden Roller Coaster puzzle model is a nice gift for craft or Puzzle. Also is a rewarding and fun project for teens and adults to put together.

Specification:

- Material: Wood Size Chart: 19cmx17cmx11.5cm/7.48inchx6.69inchx4.53inch

Package Includes: 1 Set 3D wood Puzzle