Blix Crawlers-Stem Toy, For 8+ Year Child, Educational Diy Building Set, Construction ToysSpecifications: Brand Blix Type Crawlers Age 7 to 12 Years 8 in 1 Experiments Key Features: 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