Hand pumps or foot pumps are fine Something that can hold the bottle, neck down, at an angle to the ground – the handle of a garden fork works well but branches, bits of wood or plant pots will ...

The MV8510 includes the Silverline Elite hand vacuum/pressuer pump, 2 in. (50 mm) diameter compound gauge and rubber boot, dual converter and a user's manual (English, Spanish and French ...

After fully charged, the pump is suitable for emptying up to 10 bottles of 20L bottles. It comes with smart auto-off features and has long battery life. Compactly designed, it has a fast pumping rate.

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. The ...