Constellation Board: Star and Moon Finder, Luminous Constellation Board This is a "constellation finder" used in the 4th-grade science curriculum for "Movement of Stars and the Moon." Printed with special ink that stores light, making outdoor observation easier. Science Observation Materials, Yamato Science Teaching Materials Research Institute Used a few times by a child in science class. There are some minor scuffs and scratches. No noticeable stains. Size: Approximately 28 x 28 cm For those who understand that this is a used item. Instant purchase available. #ConstellationFinder #StarMovement