Thames & KosmosBrand · Kids and babyThe Thames & Kosmos Microscope (with Smartphone Adapter)$42.99 – $59Stocked at 3Grandrabbit's Toy ShoppeBoulder, CORetailer · Toy store$42.99Hitchcock Paper Co.Occoquan, VABrand · Retailer · Stationery shop$59SafariJacksonville, FLBrand · Retailer · Toy store$42.99