The convention this year there will be lots of traders.  There will be:

Unicycle.com are the UK’s number one unicycle store and will be at hand to help maintain your unicycle or even sell you a new one.

and

Juggle Gifts will be there to bring basic juggling equipment and give you ideas for spreading the juggling to non jugglers including a wide range of hoola hoops.

and

We hope that Lazy Juggler will be there to help with your games and will be running workshops.  To be confirmed