The STEM Hub Canterbury Christ Church University
The STEM Hub



Weekend Activity: Paper Bridges

Weekend Activity: Paper Bridges

Research the three bridge types, look for models of each online: Arch, Beam and Suspension.

Challenge: Build a paper bridge that can support 1kg weight.

You will need:

  • A tray of water to represent a body of water under your bridge.
  • A4 paper
  • Masking tape/Sellotape (only for fixing bridge parts together – not to stick your bridge to the tray!)
  • Scissors

What to do:

  • Go for it! Design the bridge of your choice, using only the materials provided, that allows a 1kg weight (like a bag of sugar) to stand upon it.
  • You could create a set of rules to make it more challenging, for example: pillars cannot go into the water to support the bridge, the weight must be able to sit for a certain amount of time in the MIDDLE of the bridge.

Tweet us a photo of your bridge @STEMHUB_SE, or ask for support or feedback from a STEM Ambassador who specialises in engineering by emailing

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