Be Amazing. Toys has partnered with Hank Green, co-creator of the incredibly popular YouTube channel SciShow to launch universe unboxed kits. Each kit has its own YouTube playlist; Hank walks you through the experiments and explains the science behind how and why it works. Mystery Matter is a delightfully goopy chemistry kit - the universe is amazing, but it's also pretty weird. In this kit, you'll make five kinds of " mystery" matter and learn how their strange properties are important to scientists. Things might get slimy, but it will be a lot of fun. With 12 amazing hands-on experiences - we've created hours of activities that can be done solo or as a group.