FREE expansion for the Sonic Builder you can find here:https://www.cgtrader.com/3d-models/exterior/landscape/sonic-builder
Tileable grid-based tracks so you can make your own crazy maps fast and easy!The set also contains some environement assets, like , coins, posts, enemies, and the characters Sonic and Robotnik.
The tracks measurements are 1, 2 3 units... so you can combine them perfectly snapping one next to the other.
Since the elements are low poly you can really create long circuits for your project. They are suitable for a platform game, a race game, to preview map ideas...