Dig and Collect the Same Type of Rock Found on Mars Assemble a Scale Model of the Mars Perseverance Rover Learn about Martian Geology and Space Exploration Includes 23" x 17" (58 cm x 43 cm) Color Poster STEM Astronomy AGE GRADE: 8+ WARNING: Avoid contact with eyes. Avoid inhalation of dust. WARNING: CHOKING HAZARD -Small parts. Not For Children Under 3 years. Dig and collect the same type of rock found on Mars with the Smithsonian Mars Dig. Assemble a scale model of the Mars Perseverance Rover while learning about Martian Geology and Space Exploration.