STUART WALKER / Alamy
Loom bands. You must have heard of them. If you're the parent of a child of a certain age, then these must-have toys almost certainly loom large (sorry) in your day-to-day life, whether it's because your kid is constantly pestering you to buy them more – or because a stray loom band has clogged up your vacuum cleaner.
Loom bands are not just THE playground craze du jour, but they're also one of the biggest of all time. Fact! On