Fat Brain

Trestle Tracks Builder Set

In stock
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Product description

Each track has an opening that gradually widens from one end to the other. 

When placed on this opening, the ball perpetually falls forward, transforming the force of gravity into a unique form of propulsion.

Using this principle and the easy-to-stack risers, young engineers are able to build endless variations of kinetic fascination!


-Step-By-Step building guide with 4 cool models!

-Base grid to build on for stable towers 

-10 Unique tracks!

-Catcher stops runway marbles


-55 risers to build 10 levels 

-Five quality stainless steel marbles!