Supertek ABC's of Physics

Ever wonder how a clock works? Or how a roller coaster stays on its track? Explore all of this in the ABC's of Physics. Make your own timer as you discover how a pendulum clock works. Find out what F=ma means as you learn about force and motion and just how that roller coaster stays grounded. Discover Newton's laws working at your local playground and much, much more.   Special Shipping Information:  This item ships separately from other items in your order.  This item cannot ship to a P.O. Box.     Item is not eligible for expedited shipping.    You may initiate a return for unused items within 30 days, if the items are in original packaging with all original materials included with the shipment.