Gliders by Design   Stock #: 121394 Price: $49.95 Quantity: Quantity in Basket: none   Lets students harness the power of the computer to design impressive, easy-to-build, hand-powered gliders. Included are accurate explanations of flight and aircraft design and printable guides with background information, design tips and activity suggestions. IBM/Mac CD-ROM.

MAIL: KELVIN®, 280 Adams Blvd., Farmingdale, NY 11735 USA   PHONE: 1-800-535-8469 or 1-631-756-1750 FAX: 1-800-756-1025 or 1-631-756-1763   EMAIL: kelvin@kelvin.com• Request A Catalog Copyright ® 2013 • KELVIN L.P. Registered trademarks of KELVIN L.P include, but are not limited to: KELVIN®, Kelvin Electronics®, Kelvin Technology™, Hands-On Science®, Build A Better Mousetrap Racer®, Join the Rat Racer®, And the Winner Is…®, New Standards® Modular Labs, and SUMO® Car.