Create your own crystal lab. You won't believe how easy it is to create sparkling giant crystals to display in your room or your classroom. Growing crystals is not only interesting science but amazing fun! Includes Clear monoammonium phosphate, red momoammonium phosphate, 1 piece of thread, 2 stir sticks, 1 small cup, 2 large cups, 1 measuring beaker, 1 science guide Recommended for 1 or more players, ages 9 and up Made in China Imported Product Specifications Package dimensions: 10 in L x 2.75 in W x 12 in H Material & Care Cardboard Spot clean only