This combination classroom and field 50X microscope features a battery-powered light source and easy, one-hand operation of focus and light. Includes detachable 50X MagniScope that attaches to a stable, removable base with equipment storage compartment, water dropper, brine shrimp eggs and hatchery, sea salt, plastic cover slips, activity guide, and more! Requires two AA batteries, not included.  WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.