Postal physics
Take one bottle of powerade, one plank of wood, assorted pre-weighed (and unopened!) groceries (eg 1.5kg pack of muesli as pictured) and a rudimentary knowledge of physics and - hey presto! - you have a set of scales with a margin of error of about 25%. Brilliant.
My dilemma was this. I wanted to post a parcel by surface mail (yep, Christmas shopping, feeling very organised!), but it has to be less than 2kg, otherwise the price jumps from around £8 to £29. Which is quite a big jump. Keen to avoid my mum's experience of removing string from her parcel at the PO to get it below 2kg, I wanted to make sure before packing it all up. Somehow, despite A's best efforts, I don't think we have conclusively established that the parcel is below the magic weight. But we had fun trying!
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