Corbin and Kayson Buck play with remote-controled trucks during Conner Prairie’s fourth annual Festival of Machines Sept. 17. (Photos by Anna Skinner)

From left, Gabriel Nolting, Madison Nolting and Abby Lawton sit on a bulldozer.

Sophia Robarge, left, and Jason Robarge pause near a miniature monster truck.

Eva Gorden, left, and Jacob Gorden explore a vehicle.

From left, Warner Fisher, Corin Fisher and Donald Wentworth pause near a Bobcat.

Nolan Gabriel and Taylor Gabriel ride vehicles during the Festival of Machines.