From Craft Guerilla:

This event is independently run for a charitable cause and not by us so if you need more info please ask the organizer Liz Mason.

Here's the info:

Charity: Walthamstow Toy Library and Play Centre
Venue Address: Comely Bank Community Clinic , Ravenswood Rd, London E17 9LY
Date: Sunday 16th May 2010
Stall rate: £20
Time: 11am-2pm

"We aim for our advertising/programme to include stall holders and sponsors details and stall holders are welcome to hand out their own advertising material.

Please pass on my details to your members who are welcome to contact me with questions."
For more info contact: lizzy@elitels.com