Chuggington Ready to Build is a virtual train set game designed for preschoolers. It is developed by Budge Studios and is available for Android devices for free. The game features Zack and his team, the Chuggineers, who need help in fixing the tracks, repairing bridges, drilling tunnels, and more. The game offers traintastic tools to complete missions and earn new items to build your own Chuggington world. The gameplay is easy to understand and is accompanied by step-by-step instructions from Zack.

The game allows you to control the speed, direction, and switch from day to night. You can also honk the horn by tapping your chugger. The game is available in free mode, but you can unlock the full version to access everything. The game is compliant with privacy laws and has received the "ESRB (Entertainment Software Rating Board) Privacy Certified Kids' Privacy Seal." However, the game contains contextual advertising and in-app purchases.