Unleash the thrill of discovery with the MrBeast Lab Swarms Mystery Test Tube, co-created with the legendary MrBeast. Just add water and watch as fizz brings to life two incredible Swarms characters, sparking curiosity and excitement. Perfect for young collectors and fans of hands-on fun, this set also offers an interactive learning experience that combines science with play.

With over 100 different characters to collect, including ultra-rare finds, each test tube promises a unique surprise every time. From Home Horrors to Techno Terrors, the variety keeps kids engaged and eager to find their next favorite Swarms. Get everything you need for immediate fun, from fizz compound to a collector's guide.