Craft Around the World: Coral ReefExplore the science of coral on Australias Great Barrier Reef with this grow your own crystal set that mimics the way coral develops in the worlds oceans. Put together and color two 3 D frames, then add a special solution that transforms into beautiful crystals! While your coral grows, dive into a pen pal letter from traveling adventurers Sam and Sofia. Theyll introduce you to the wonders of Australia and show you how tiny underwater creatures called