Desktop Newton's Cradle $6.55 Shipped
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The best deals can go quickly and don't always last as long as we first thought. Prices and inventory can be very fluid. There are many great deals that are still active.
Update: Temporarily out of stock. Shop4Tech.com drops the Desktop Newton's Cradle from $14.99 to $7.99. Better yet, code CC18 cuts it to $6.55. With free shipping, this is the lowest price we've ever seen. The classic desktop piece that displays the conservation of energy features five metal balls and makes a nice gift for your favorite desk jockey. There is no sales tax (except CA). (Instructions »)