Put on your safety goggles and chisel away at your sand block as you excavate 6 different rocks and minerals and 5 real gemstones. With the Smithsonian Rock and Gem Dig, kids learn about various types of rock forms and the difference between rocks and minerals. Use the magnifying glass to inspect your samples. Then learn how to identify minerals based on hardness, cleavage, color, streak and luster.
SMITHSONIAN ROCK AND GEM DIG
Suggested Retail: $14.99 For Ages: 8+ http://www.nsi-intonline.com/
Nappa Awards Winner 2018