This is a great hands-on science experiment to explain how fold mountains are formed.

Simple Science: How Fold Mountains are Made

The 2013 24-speed Paratrooper and 27-speed Paratrooper Pro models break down, tool-lessly, in under 20 seconds. They're also designed for durability—unlike most folding bikes, they don't compromise the crossbar with a hinge, but instead keep the frame intact:

The 2013 24-speed Paratrooper and 27-speed Paratrooper Pro models break down, tool-lessly, in under 20 seconds. They're also designed for durability—unlike most folding bikes, they don't compromise the crossbar with a hinge, but instead keep the frame intact:

Earth Science Unit - lots of hands-on activities to teach how fold mountains are formed, plate movement and earthquakes, and the layers of Earth.

Earth Science Unit - lots of hands-on activities to teach how fold mountains are formed, plate movement and earthquakes, and the layers of Earth.

Bicycles 177831: 7 Speed Folding Mountain Bike Black Bicycle Hybrid Shimano Suspension Sports 26 -> BUY IT NOW ONLY: $98.9 on eBay!

Bicycles 177831: 7 Speed Folding Mountain Bike Black Bicycle Hybrid Shimano Suspension Sports 26 -> BUY IT NOW ONLY: $98.9 on eBay!

Special Offers - Xspec 26 21 Speed Folding Mountain Bike Bicycle Trail Commuter Shimano White - In stock & Free Shipping. You can save more money! Check It (June 16 2016 at 11:03AM) >> http://cruiserbikeswm.net/xspec-26-21-speed-folding-mountain-bike-bicycle-trail-commuter-shimano-white/

Special Offers - Xspec 26 21 Speed Folding Mountain Bike Bicycle Trail Commuter Shimano White - In stock & Free Shipping. You can save more money! Check It (June 16 2016 at 11:03AM) >> http://cruiserbikeswm.net/xspec-26-21-speed-folding-mountain-bike-bicycle-trail-commuter-shimano-white/

1 Pair BaseCamp MTB Folding Mountain Bike Road Bicycle Fixed Gear Cycling Double Lock-on Handlebar Grips Nonslip Rubber Bar End

1 Pair BaseCamp MTB Folding Mountain Bike Road Bicycle Fixed Gear Cycling Double Lock-on Handlebar Grips Nonslip Rubber Bar End

WEST BIKING Bicycle K1010 26 * 2.1 30TPI Steel Tire Wear Non-slip Folding Mountain Bike Cross-Country Tire Bike Tires

WEST BIKING Bicycle K1010 26 * 2.1 30TPI Steel Tire Wear Non-slip Folding Mountain Bike Cross-Country Tire Bike Tires

7 Speed Folding Mountain Bike Black Bicycle Hybrid Shimano Suspension Sports 26"  Price 67.0 USD 19 Bids. End Time: 2017-04-23 14:00:35 PDT

7 Speed Folding Mountain Bike Black Bicycle Hybrid Shimano Suspension Sports 26" Price 67.0 USD 19 Bids. End Time: 2017-04-23 14:00:35 PDT

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