Discover more than 30 new collectible science creatures, including the magical Mythsmiths, squishy-slimy Muckies, and limited-edition glow-in-the-dark Biolumes! Each individual blind box includes 1 figure in a Reactor Pod, 1 mini-poster with amazing science facts, and more! Size: 15.75 x 21.84 x 6.1 cm. Ages 5+.