Description:

Hands on Ability: Fun trackball assembled toys, exercise children's hands on ability, DIY science toys, models for children's educational technology projects.
Nut: The nut bears the weight and controls the direction of the track.
Track: Ramp track, glass ball rolls smoothly.
Fence Board: Comes with a storage box to avoid the loss of glass balls; Gasket: A gasket is attached to the bottom, anti slip and anti scratch.
Educational Learning Toy: Suitable for school project, DIY science, mentary school students, kids, children.

Specification:

Material: Wooden

Size Chart:

Assembled Size: 20x16.5x7cm/7.87x6.50x2.76inch

Package Includes:

1 Set DIY Science Kit Model Trackball Toys (The Received Goods Are in Loose Pieces and Need to Be Assembled Manually by Yourself)

Note:

Color might be slightly different due to the color calibration of each individual monitor.
Please allow slightly measuring deviation due to manual measurement.