JirinaSetka
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homebirthmum: Make a Roman Arch that works! No glue!

This is a very simple way to experience the amazing Roman Arch. We used the book "Primary Physics" which we bought at the .

Full instructions and video for how to make a model Roman catapult!

A while ago, I started making projects for teaching in school which were manageable, fun and educational. The first project we made was this model Roman catapult.