For up and coming Astronomers! Learn to recognize groups of stars that are recognizable patterns traditionally named after its apparent form or identified with a mythological figure. Modern astronomers divide the sky into eighty-eight constellations with defined boundaries. On the back side, learn the most well known constellations, constellation families and the zodiac constellations. MADE IN USA Safety-Approved Award Winning Anti-bacterial - Wash with dish soap; placemats dry quickly Use dry erase or washable markers. Kids can also wipe clean with paper towel or eraser. A spray bottle is fun too! Used in homes, schools and on the go,travelling or in a restaurant. Age Recommendation: 5 -100 Lightweight and durable. Dimensions: 17.5" x 11.5"