With the Explore One 900X Microscope Set, kids can get an up-close look at the microscopic universe—from plant cells to pond water to brine shrimp. This 45-piece kit includes everything needed to jumpstart scientific exploration, including prepared slides, collection tools, and even a shrimp hatchery. Featuring magnification levels up to 900x and a sturdy cast metal frame, this classic STEM set helps kids build skills in observation, experimentation, and critical thinking—all while having fun.