Use the tool set to uncover colorful semi-precious minerals and crystals hidden within the chalk exploration block! Hack away at the surface with a little water and a chisel, clean off the excess dirt with the brush, and marvel at your brilliant gems up close with the magnifying glass! A WONDERFUL EDUCATIONAL STEM GIFT FOR CHILDREN Bring the amazing world of science and geology to boys and girls with this handy Gemstone Excavation Kit! It's one amazing set that'll help even the youngest minds encourage scientific exploration and make learning about geology off the charts!