100-square grid: advice and template
Running a 100-square grid as part of your event is a
simple way to boost profits. It requires very little organisation
and we've made it even easier with our downloadable A3
A 100-square grid makes a great alternative to running a raffle
- no need to secure prize donations, and it takes only one
volunteer to run it! Choose a percentage of your takings to give as
a prize (usually 25-50%), and announce the winner at the end of the
Paul Compton, PTA chair, Kings Norton Primary,
Birmingham: 'We've used the 100-square grid idea to great
effect! The last time it was used was as part of our family quiz
night. We sell each square for £1, usually selling all 100, and the
winner receives £25 - not a bad return on your money. It's good
odds for participants, and we get £75 profit! The square is always
printed large enough for people to write their name in the square
of their choice. We're always looking for different things to keep
people interested. Sourcing raffle prizes takes time - this is
simple to organise and keeps things lively!'
Tips and advice
- Print the template (below) onto A3 paper, attach to a board,
and dedicate a volunteer to sell numbers on the grid at your
- Get your grid-seller to walk around at your event selling the
squares, encouraging supporters to 'buy' their birthday, house
number, age, etc.
- In each square, write down their full name and a way of
identifying or contacting them i.e. a mobile number.
- If you've spoken to everyone, and there's still quite a few
squares to sell... go around again! It's only £1... do they want to
buy their daughter's birthday too? Perhaps that's the lucky
- At the end of the event, use a random
number generator to pick the winning number. If that square
hasn't been bought, go again until you find a winner!
- Give your winner a percentage of the takings, eg, £25 if you've
sold all 100 squares.
A treasure map is a great variation on the 100-square grid idea.
The beauty of using a local map is that people will want to buy the
square nearest to their house!
- Print a large, simplified street map of your town onto an A3
- Print a 100-square grid onto an A3 sheet of tracing paper and
overlay this over your map.
- Charge contestants a fixed amount for their square, writing
names against a corresponding numbered list.
- Use a random number generator website to determine the
Our A3 template grid just needs to be printed off, and it's
ready to go! Download
the 100-square grid here.
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