Are You Sitting Comfortably?

You just need the simplest everyday items to try these teasers and challenges
But they all stre-e-e-etch your powers of imagination and deduction See how to...
make objects appear and disappear
step through a piece of paper
solve matchstick challenges
do card tricks
...and lots more. Devised by an expert on brain training these visual conundrums and fun games will inspire you to find smart solutions to ticklish problems There are handy tips if you need help and full answers too