A geological expedition in the palm of your hand! This gift set is perfect for geologists-in-training. Each block contains one real mineral or fossi...More
A geological expedition in the palm of your hand! This gift set is pe...
Learn how geologists dig up minerals and gemstones and where can you find them in nature. Dig five different minerals out of the plaster block. Learn ...More
Learn how geologists dig up minerals and gemstones and where can you f...
