Scholar's Choice is the best for paint. I love the tempura paint because it has vibrant colours and washes off easily from hands and clothes. The fingerpaint is also waaaaaaaay better than Crayola or other brands.

I also find the construction paper to be a great deal and the colours are nice and vibrant instead of washed out like you would get at other places.

DollarTree and Dollarama have great stuff like stickers, seasonal stuff

I try to go to Michaels for Tacky glue. The Alene Tacky glue tends to hold foam and pom poms way better. I totally stopped using white school glue.