- check
out a volcano, explore inside a cavern, even
delve inside a geode crystal! there are six
different earth terrains to explore—along
with games, reports, experiments, and
activities—as you help arnold find the lost
pieces of his rock collection.
- tons
of games, activities, experiments,
s, fun facts, and hundreds of clickable
animations throughout the product.
- create
your own cave paintings, grow your own geode
crystals, search for fossils, or cook up some
rocks and minerals in the earth kitchen.
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