Despite being reasonably smart on paper, my DD(19) is as daft as a brush.
For Christmas, we bought her a camera tripod. Last night she got around to opening the box and announced to the family that foolish Mum had bought her a tripod only a foot high. When I suggested that perhaps the legs telescoped out, or unfolded in some way, she was adamant that this was not the case, and implied, rather patronisingly, that I should have read the details a bit better when I bought it for her.
She left the tripod on the landing, and DH has just had a look, and of course the legs telescope out.
Would we be unreasonable to leave the tripod on the landing, and fractionally lengthen the legs each day, until she realises the tripod is miraculously growing? (Can you tell that DS(8) has been having The Twits as his bedtime story?)
Any bets how long it would be before she notices?