I can buy a sprayer/mister with a trigger-operated pump for
not very much. For twice that, I can get a pump-up one:

http://www.lidl.co.uk/gb/home.nsf/pa...essure_Sprayer

Does it look worth a go for £1.49?

Most of the other items (poss. exceptions: knife, covers)
look... erm... iffy.