Product Price SKU Quantity Subtotal SONOMETER 30 CM SONOMETER 30 CM quantity × $40.54 SKU: ESP60332 Subtotal: $40.54 Remove $40.54 ESP60332 SONOMETER 30 CM quantity $40.54 OPTICS KIT U3 (22 items) OPTICS KIT U3 (22 items) quantity × $526.68 SKU: ESP60392 Subtotal: $526.68 Remove $526.68 ESP60392 OPTICS KIT U3 (22 items) quantity $526.68 OPTICS EXPERIMENT KIT OPTICS EXPERIMENT KIT quantity × $248.61 SKU: ESP60400 Subtotal: $248.61 Remove $248.61 ESP60400 OPTICS EXPERIMENT KIT quantity $248.61 Coupon: Clear shopping cart Update cart Basket totals Subtotal $815.83 Total $815.83 Proceed to checkout Continue shopping