Description:

DIY assembly lifting bridge model kits, scientific and educational experiment toy
Working principle: hand crank it, pulley lifting device bridge boards movable below
Develop children's hand & eye coordination, help children experience the theory of power conversion, and expand kids scientific & mechanical interest
Good physical & scientific teaching & learning toy for kids/students
Material: Wooden
Color: As pictures shown

Specification:

Comes with paints, you need to color it by yourself

Size Chart:

Assembly Size (L x W x H): Approx 21 x 6.5 x 11cm/8.27 x 2.56 x 4.33inch

Package Includes:

1 Set DIY Lifting Bridge Model Toy (with assembled picture instructions)