ROLLER COASTERS!

How to make a roller coaster:

1 Cut the pipe insulation in half to have a track 12 feet (3.60 m). Adhere the two sections with tape. Apply the tape along the bottom of the track. Determine where you will build the roller coaster. This model is not mobile and must be built in the classroom. The beginning of the roller coaster should be 3.5 feet (1.05 m ) above the ground .
    
 2 Cut a strip of cardboard of four inches (10.16 cm ) wide square cardboard . Fold in half to form two legs remaining stops on a flat surface. This will be the first holder of the roller coaster. Cut a strip of cardboard second four inches (10.16 cm ) wide square cardboard . Cut this strip in half to form 2 feet. Fold one in half to make the second support roller coaster . Cut another section and fold in half to form the support of the third hill. Cut a small circle at the top of each support to prevent the track from slipping.
   
 3 It measures 3.5 feet (1.05 m) from the floor and tape one end of the tube attached to a table or even to keep it at this point . Fold gently into the tube where he is touching the floor and placed the stand 2 feet (60 cm) below the first hill. Fold the tube with the osporte suidado 1 foot (30 cm) below the second hill again and coloa . Repeat for the lower hill. Place the paper cup into soil at the end of the track so that the marble into it.
    4 Give a marble roller coaster . The size of the marble affect energy , so it is possible that the hills be adjusted slightly. So that they are lower , separated a little stand legs .