Crawlers are very compactly designed moving robots | They are two-legged or four-legged synchronous walking mechanisms using just one motor. Isn't it amazing? |A Blix Crawler is designed for children aged 8+ | With Blix Crawlers, kids learn about the gears and walking mechanisms of two-legged and four-legged crawlers |It's time to put an end to your search for the best robot toys for kids! Build 8 cool motorised walking robots with this kit!