New price low! Amazon with Odatay has the Odatay 4K HD Camera 2.4" 1000X Handheld Microscope with 12 Slides (Blue) for $50 - 50% off at checkout = $25 with free shipping on $35+ or with Prime. 

Comes with a 32GB TF card, 12 prepared slides, data cable, lanyard, slide viewing cover, and a protective silicone case.