Dive into a world of scientific discovery with the Tetra 3 Gallon STEM Aquarium Kit - Experience the colors of the rainbow with ColorFusion LEDs - Includes 3-gallon half moon aquarium and lid with easy feeding hole, 6-LED bubbling airstone, Tetra Whisper 4i filter + Bio-Bag cartridge, Air Pump, test strips, thermometer, and STEM booklet