Mrs Ross P2R P2R enjoyed testing their balloon cars! March 18, 2019 User deactivated Leave a comment P2R made balloon powered cars for Science Week. Then they tested them on different surfaces and slopes. https://blogs.glowscotland.org.uk/st/stmarysbannockburn/files/2019/03/2FFDEEC0-9B04-4FC3-A19D-7537171B77F2.mov
