Discover the truth about your favorite ocean animals. Why are sharks so scary? How do whales get so big? Why do dolphins do what they do? And how do those penguins survive in that freezing water? You'll learn this and much, much more with these Earthworks Kits; you'll even get to make your own awesome, permanent molds of the sea creatures you read about!
Kits come with extra molding compound - try making your favorite to give as a present!.Take a look at PerfectCast, the ideal accessory for any casting kit - more casting material!