Painting with cooked spaghetti
Bubblewrap Paintbrush: Tape a square of bubblewrap to a TP roll.
Draw in sharpie and then watercolor.
stamping with pencil erasers
Salad spinner art
string painting: lots of other cool ways of painting at this site.
Eye dropper paintings
A different spin on spin art: using only paper plates.
Bubble wrap printing: I've done this with the kids before but it didn't look nearly as beautiful. I think it's the multicolors and the white borders.
Salt Painting: so beautiful!
Snap painting with elastic bands.
magnet painting: so fun.
watercolor on doilies : can even buy heart shaped doilies for Valentine's
milk + food coloring + dishsoap + toothpick : The fun is in the mixing of colors, but kids can "paint" paper towels afterwards.
Make this puffy paint with self-rising flour, salt and food coloring. Cook in the microwave to puff up.
white crayon + bingo daubers
Painting with balloons
Aluminum Foil + Sharpies (or even Crayola markers) : simple but very striking.
Use glue, salt, and watercolor. The glue makes the colors rise from the paper and the salt creates a 'starburst' look.
Condensed milk painting. It doesn't drip, and leaves behind a shiny, glossy picture.