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.

What horrors grow within? Credit: Eyeem / Getty Images It takes a lot of grime for a reusable water bottle to look dirty. After all, it's usually just water in there. Bad news, though: If you're ...

If you prefer a large tumbler over a regular water bottle, you’re in luck. One of Owala’s other new styles is the 40-ounce FreeSip tumbler, which just dropped in four Target-exclusive colors.

My water bottle is attached to my hip. I carry it around the house all day, leave it by my bedside at night, and take it with me pretty much whenever I go on errands, walks, and trips. Before I ...