i think i've tried them all, even the stage version by ed fowler, by far my favourite is the Lincoln...save your pennies, and spend £37.50 from lincoln's (best boon) site...
you get:
nice shiny tin to keep it all in
two boons
replacement "parts"
sticky substances
automatic pencil that matches everything
booklet of routines
you'll genuinely never have to buy another one again...alot that claim are refillable, are kind of, but it takes ages of fiddling about...these are pretty easy to change...
i dont leave home without my shiny box
