Wow in the World: Break-Open Crystal GeodesWow future geologists and rock loving kiddos with a crystal filled kit! Curious STEM learners customize the included iridescent display case by decorating it with colorful stickers. Then, using the full color experiment guide, they strap on the goggles and use a hammer (not included) to crack open and examine the 10 included crystal geodes. The display of sparkly rocks looks gorgeous as room decor! Curiosity, supercharged! Thames & Kosmos teams up