Robots have come a long way in the past few decades — but some of the coolest advances in robotics haven’t come from huge companies or massive university labs. Makers, inventors, tinkerers and builders have been creating some to-die-for robots for years now. Check out some videos of the very best DIY cheap robots.

PET, the Emotional Robot

This tennis robot

An Arduino-powered hand, built under $200

James, the gas detector

A snow plow

Anna, the Arduino-based machine with learning AI

A hacked Hexbug Spider XL, with computer vision

The RoboStool, built by Norris Labs in 2008

Stonehenge, the Robotic Digital Clock, built by Norris Labs in 2008

Advertisement