Authentic gems Excavation kit includes a gypsum block and buried within is 1 pce each of four gems: Red Jasper, Amethyst, Rose Quartz and Aventurine. With digging tool and brush. TREASURE HUNT: This beginner-friendly toy mining set allows kids to dig for semi-precious minerals expand their very own rock collection. This kit makes learning about geology an absolute blast! UNEARTH HIDDEN GEMS: Remove the block surface with the chisel, brush away the dust from your gems, look at them up close with the magnifying glass! Unveil brilliant crystals dazzling rocks! DESTINATION DISCOVERY: Take reality to another level with our fun educational toys!