Smithsonian Mars Dig STEM Astronomy Kit Mars Perseverance Rover Model Ages 8+ Smithsonian Mars Dig STEM Astronomy kit offers an engaging hands-on experience for young explorers. This educational set allows users to dig and collect the same type of rock found on Mars while assembling a scale model of the Mars Perseverance Rover. The kit includes a sand block containing three pieces of Basalt, a model Mars Perseverance Rover kit, a mallet, a dowel, and a collectable STEM content card with instructions. Perfect for children ages 8 and up, it combines science, technology, engineering, and math in a fun, interactive way. #STEM