A Minimum of [200$] is required before checking out.Current cart's total: $17.30 “Pith Ball Electroscope Kit” has been added to your basket. Continue shopping “Real Leaf Observation Study” has been added to your basket. Continue shopping Product Price SKU Quantity Subtotal Pith Ball Electroscope Kit Pith Ball Electroscope Kit quantity × $17.30 SKU: ESP59186 Subtotal: $17.30 Remove $17.30 ESP59186 Pith Ball Electroscope Kit quantity $17.30 Real Leaf Observation Study Real Leaf Observation Study quantity × $0.00 SKU: ESB51675 Subtotal: $0.00 Remove $0.00 ESB51675 Real Leaf Observation Study quantity $0.00 Coupon: Clear shopping cart Update cart Basket totals Subtotal $17.30 Total $17.30 Proceed to checkout Continue shopping