Momentous Mountains Science Puzzle Set from Mudpuppy includes 3 100-piece puzzles and a trifold insert with fun science facts. Each puzzle features a beautifully illustrated famous mountain range including the Himalayan Mountains, Atlas Mountains and Rocky Mountains. 3 puzzle sets, 100 pieces each: Each Puzzle: is 21.5 x 38 cm. Box: 23.5 x 18 x 5 cm. The puzzle greyboard contains 90% recycled paper. Packaging contains 70% recycled paper. Printed with nontoxic, soy-based inks. All Mudpuppy products adhere to CPSIA, ASTM, and CE Safety Regulations.