Seven tank robot kits and tracked chassis ranked for Arduino, Raspberry Pi and ROS builds, from a beginner mini tank to a metal Pi tank with a 4-DOF arm and a lidar equipped SLAM platform, with real specs, honest pros and cons, and Amazon listings checked live.
Eight obstacle avoidance robot kits ranked, from a servo-swept ultrasonic Arduino car to a mecanum robot with two infrared sensors plus sonar and a Raspberry Pi that avoids obstacles with a camera, with real specs, honest verdicts and verified Amazon links.
⚠️ Affiliate Disclosure: This post contains Amazon affiliate links. We only recommend kits we have researched and verified against live Amazon listings. Prices change constantly, so we deliberately don’t print them here. Always tap through and confirm the current price and variant on Amazon before buying.