The October Stem Dog Family Challenge

The Toilet Paper Roll Challenge

Structural Engineering

Goal: 

• Construct a free standing tower out of 20 empty toilet paper rolls that is at least 50 centimeters or 20 inches tall.

Constraints and Criteria:

• You may use no more than 20 empty toilet paper rolls.
• The tower must be constructed on a flat surface.
• You may not use any other materials to complete the challenge.
• You may cut or tear the toilet paper rolls.
• You must take a picture that clearly shows the height of the tower in centimeters. Try to include everyone that participated in the picture. This is a family challenge, so the more the merrier! 
• Email your picture to my gmail account at mary.t.hansen@students.dodea.edu. Be sure to include the height of your structure in your email.

Materials:

• 20 empty toilet paper rolls
• Scissors (if needed)