Vivitar VIV-MIC-1 150x/450x/900 Microscope for $10.99. Shipping is free on orders over $25. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. It features 3 magnifications of 150x, 450x, and up to an 900x power and includes 5 prepared, 7 blank glass slides, interchangeable eyepieces, beakers, dye and hard shell carry case.