"Hi, I'm Arnie, and I’m here to bring you the wildest internet moments, viral stories, and crazy challenges! Be sure to ...

Practise and challenge your friends! Download the Water bottle Rockets PDF(378 Kb). Adobe Acrobat is required. SAFETY: This rocket uses air pressure to fling a bottle at high speed 20–50 metres.

Famous families having fun with these experiments at home. • The bottle rocket challenge: faces from across the BBC compete to build and launch bottle rockets. Whose will fly highest?