You can make short work of destroying a pencil with a standard Bic lighter, but this fuel-free alternative is arguably a safer way to go about it. Because instead of setting it on fire, all you need is a few minutes of constant twisting to turn turn your Faber-Castells into a pile of shavings.
For just $12 (£7.20 excl. shipping) it's also an easy way to get your kid sent home on their first day of school—extra Summer vacation! [Fancy]