I agree re the Lewisham Tiger/ Poundland/ Works combo. I got some great bits for a children's craft club a couple of weeks ago. However, when I went Tuesday last week to top up, they had run out of a lot of stuff. Unless they have restocked since then, I think you might be safer going to Hobbycraft in Charlton. It's more expensive but will def have stuff you can use... The other place that might be worth trying on the way is Toys R Us on the Old Kent Rd. Again more expensive but they do have stickers and bits!