48 extra-thick cardboard pieces. Our solar system comes to life on this awesome Melissa & Doug Solar System floor puzzle. Beautiful Original Artwork Easy Clean Surface Keeps Puzzle Looking New Promotes Hand Eye Coordination And Problem Solving Skills 2 Feet X 3 Feet When Assembled Extra-thick cardboard pieces for lasting durability Easy-to-clean surface helps keep puzzle looking new 2x3' when assembled Ages 3+ Use: Indoor Measurements: 9.5 Height/Inches, 3 Width/Inches, 12 Length/Inches Country of Origin: Imported