Children learn the fascinating scientific phenomena behind the behaviors of some amazing materials! The kit includes everything needed to complete 5 experiments—from creating a snow-like substance and whipping up a batch of glow-in-the-dark slime to growing a delicate crystal feather and mixing up some “Oozebleck”! It’s a super-safe, all-inclusive lab designed for slippery, slimy, goopy, oozy, awesome chemistry! You get a test tube rack, 5 test tubes with lids, 2 slime packets, 3 instant snow packets, 2 cornstarch packets, crystal solution, a die-cut paper feather, a purple dye table, a spatula and a 20-page experiment manual. The test tub rack measures 14 1/8" in length.