Toyops Deluxe Triops Our Triops are always lab-raised to protect both kids and the environment This is the BIG kit and comes complete with easy view aquarium, fossil replica, thermometer, gravel, glow beads, magnifying ruler, and Triops eggs, nutrient, and food, of course Make great pets Teach about life cycles, marine biology, and more For children ages 8+ Use PETCO Beta Water sold in a ready to use bottle. Available at Amazon.com and pet superstores to assure the health of your Triops