Each is made with high-quality, nontoxic plastic, mesh, or nylon materials. Includes 1 clear bug-viewing jar with air holes, 1 handheld magnifying glass, 1 pair of scoopers, 1 pair of tweezers, 1 mesh net, and 1 plastic critter carrying case with air vents and magnifying lens. The Backyard Explorer Set’s critter carrying case has a nylon carrying strap that helps kids tote their findings around, making it easy to encourage independent and active play.