The Pololu round robot chassis is a compact 5-inch base, laser-cut out of colored acrylic, designed for small mobile robots. This circular chassis is intended for use with the Tamiya twin-motor gearbox, ball caster, and truck tires, which you can get for a discount with our various chassis completion kits.

This circular laser-cut plastic robot chassis makes a great base for small mobile robots. With a diameter of only five inches (slightly bigger than a CD), this acrylic chassis is ideal for building sturdy robots capable of navigating tight spaces. The circular chassis has many holes and slots for mounting sensors, motors, and other hardware, and they come in a variety of transparent or opaque colors!