This is a good starter scope for your younger learners. Use it as a microscope or with your smart phone for greater magnification and easier viewing. This plastic scope is equipped with a zoom eyepiece, focus knob, stage with metal stage clips, 3 objectives (4X, 10X, 40X), LED illumination, and on/off switch. Also included in this set is the microscope, smart phone adaptor, 3 plastic prepared slide and 8 blank plastic slides and covers, 3 specimen vials, plastic graduated cylinder, pipette, tweezers, plastic magnifying glass, round tissue cutter, hatchery for brine shrimp eggs, yeast, brine shrimp eggs, and 2 AA batteries. The instruction booklet lists the parts of the microscope and how to use it and instructions for 6 experiments. You can view slides through the comfortable eyepiece or switch to the smart phone adaptor pad. This oval pad is covered with suction cups to hold your smart phone firmly in place over the eyepiece to view objects on your smart phone screen. ~ Donna