A Minimum of [200$] is required before checking out.Current cart's total: $137.77 “Antibiotic Assay Discs – Box of 1000” has been added to your basket. Continue shopping “Electrolysis Demonstration Glass Cell” has been added to your basket. Continue shopping Product Price SKU Quantity Subtotal USB Sound Sensor. USB Sound Sensor. quantity × $86.52 SKU: ESD50202 Subtotal: $86.52 Remove $86.52 ESD50202 USB Sound Sensor. quantity $86.52 Antibiotic Assay Discs - Box of 1000 Antibiotic Assay Discs - Box of 1000 quantity × $0.00 SKU: ESB52406 Subtotal: $0.00 Remove $0.00 ESB52406 Antibiotic Assay Discs - Box of 1000 quantity $0.00 Electrolysis Demonstration Glass Cell Electrolysis Demonstration Glass Cell quantity × $51.25 SKU: ESC54514SP Subtotal: $51.25 Remove $51.25 ESC54514SP Electrolysis Demonstration Glass Cell quantity $51.25 Coupon: Clear shopping cart Update cart Basket totals Subtotal $137.77 Total $137.77 Proceed to checkout Continue shopping