PICAXE-28X1-Caterpillar-Bot-PICAXE-BOT130-p-The-B-BOT130-Caterpillar-bot-B-from-B-Revolution-B-is-an-amazing-robot-that-wriggles-along-just-like-a-caterpillar-It-uses-eight-servos-to-generate-life-like-movement-and-is-controlled-by-a-B-PICAXE-28X1-B-microcontroller-br-br-BR-BR-The-robot-can-wriggle-over-obstacles-and-two-tilt-sensors-detect-when-the-robot-has-fallen-over-so-it-can-then-attempt-to-right-itself-br-br-BR-BR-The-B-Infrared-upgrade-B-add-on-pack-allows