These kits build models demonstrating the world of mechanics and physical science. LEGO Alien Conquest Alien Mothership #7065 $54.95 Erector Turbo Radio Control Set #884202 $49.95 Bachmann N Scale Electric Train Set -Explorer $89.95 Bachmann N Scale Electric Train Set - The Frontiersman $85.99 Bachmann N Scale Electric Train Set - The Yard Boss $74.95 Wooden Hydrojet Buildit Kit $11.95 UNCOVER A Race Car! $18.95 Mousetrap Racer - The Basic Kit $15.95 Mouse Trap Racer Kit - Build Your Own $20.95 Thames & Kosmos Physics Workshop $45.95 Amazing Bridges Architecture Kit $25.95 Build a Multi Function Alarm $10.49 Tamiya 6-Speed Gearbox H.E. $24.95 Doc Fizzix Mousetrap Boat Kit $12.99 Doc Fizzix Rubber Band Hover Craft $14.95 Tedco Original Gyroscope $8.95 Klutz LEGO Crazy Action Contraptions $21.95 Thames & Kosmos Hydropower Renewable Energy Science Kit $39.95 Little Labs Intro to Engineering Thames & Kosmos $29.95 Thames & Kosmos Power House - Green Essentials Edition $69.95 Pinecar Designer Build It Kit - Black Widow $9.95 Pinecar Designer Build It Kit - The Avenger $9.95 Vehicles Project Kit for Kids $15.95 Erector Multi Model Motion System 20 Kit #0579 $34.95 Classic Tinkertoy Construction Set 103 pieces $29.95 Revell Visible V-8 Engine Model Kit $56.95 Leonardo da Vinci Catapult Model Kit $17.95 Leonardo da Vinci Paddleboat Model Kit $19.95 Leonardo da Vinci Self-Propelling Cart Model Kit $19.95 Lincoln Logs Boulder Creek Town $64.98 QUICK SHIPPING!    CLICK HERE for a little SCIENCE music while you browse! Note: Click only after page has completely loaded. ==================================================== ==================================================== Science City is a proud 5-STAR Yahoo! Merchant.     ALL ITEMS IN STOCK! U.S. shipments are sent by USPS Priority Mail or FedEx Courier with cost based on weight. Delivery is 2 - 6 days. USPS/FedEx Air Express is available for 2 day guaranteed delivery within the U.S. ===================================================== Great shipping rates to CANADA! Shipping cost using airmail post is automatically calculated based on weight and can be seen during checkout before purchase. ===================================================== Bookmark this site! You will want to visit again soon! ===================================================== Tell your friends about the Science City site! Click here!                                                                                 ===================================================== As you view the individual pages, remember that you can click on the image to enlarge it. Press your "BACK" button to return. =====================================================