NASA Solar System. 1000 piece puzzle. 26.5" x 19.25". The solar system is mostly empty space. The planets ¹ Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune are quite limited in size compared to the space between them. This superior quality puzzle will delight and educate all at the same time. Strong high-quality pieces that won't break. Easy fit puzzle pieces. Made from recycled board.