Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 710. Introduction to the Metric Session $20.00 710. Introduction to the Metric Session quantity $20.00 × 741. Influences of Dynamic Unbalance of Spin Stabilized Rockets $20.00 741. Influences of Dynamic Unbalance of Spin Stabilized Rockets quantity $20.00 × 2297. Using a Spherical Air Bearing to Simulate Weightlessness $20.00 2297. Using a Spherical Air Bearing to Simulate Weightlessness quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $60.00 Tax $0.00 Total $60.00 Proceed to checkout