Track Ball Puzzle DIY Assemble Mechanical Gear Engineeri

Recommend Age: 7-12y
Recommend Age: 12+y
Recommend Age: 18+
Quantity of Items in Set: 50
Theme: Rollercoaster

Model Number: model building kits m06
Gender: Unisex
Type: diy Marble Run Ball kit
Features 1: education kits Toys
Features 2: science experiment
Colour:Wood color
Material:Wooden

Package Contents:
1 set x DIY STEM Toys(Without 2 AA batteries)
1 x English manual

Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.