haunted key around £8 mine has paid for itself 100 fold.
scotch and soda around £20.
color changing stamp / painting book great for kids shows.
change bags £8 - £20. many uses.
phantom tube emagictricks around £14.
stiff rope good attention getter £5 - £10.
colour changing kings to aces £5 scan and print to a4 then laminate.
50 laminated bussiness card from me £20.