Picture of Playdough Paintings
Olive Harbutt, the daughter of of William Harbutt's (inventor of plasticine) was an inspirational plasticine painter. Her paintings would have made great plasticine paint by numbers kits.

One of my favourite book illustrators Barbara Reid also inspired this Playdough Painting class for children. Why not play dough I thought. Here's the result of a short session with mushy playdough. Even the mum's and dad's had a go. I kept the playdough in an uneven marbly state which added a rather nice subtle effect to the paintings.
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Step 1: Recipe for Playdough Paintings

Picture of Recipe for Playdough Paintings
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The playdough recipe used here was:
2 cups plain flour
2 cups water
1 tbl tartaric acid (kills bacteria and adds bounce)
2 tsp teatree oil / orange oil
1/2 cup salt
(For mushy playdough added 1/2 cup of water extra)

Step 2: Mixing and Colouring Playdough

Picture of Mixing and Colouring Playdough
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Mix all ingredients in a large pot or double boiler, whisking in blender first to break up large lumps.

Cook at medium heat until mixture forms a ball. If too sticky, keep on cooking, it should take around 10 minutes to reach a good state - usually having a springy texture. Let cool a few minutes on a plate. While still warm, don a pair of gloves and knead thoroughly.

For colouring your playdough, add small drops off food colouring with satay stick and knead thoroughly.

Step 3: Plan your picture

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Roughly sketch your image or decide what colours you want to use. Make the primary colours - both cool and warm versions of each to create 1000 colours.

I used food colouring to colour the playdough as I find the colours are rich and blend quickly compared to using acrylic paints.

Rather than thoroughly kneading to blend colours evenly I kept the playdough in an uneven marbly state which added a rather nice subtle effect to the playdough paintings.

Step 4: Playdough Painting Techniques

Picture of Playdough Painting Techniques
The painters used toothpicks, paddle pop sticks, fingers and plastic wrap to create textural effects. We found that the sticky playdough stuck to everything but pressing the surface onto the cardboard with plastic wrap worked effectively to keep the playdough easier to manage.
mdeblasi15 years ago
It sort of reminds me of encaustic, but w/o the luminescence. M
Gomi Romi (author)  mdeblasi15 years ago
Thanks, I've never tried encaustic painting before, looks interesting - perhaps a coating of pva glue and water over dried playdough paintings will give a kind of shine to a picture. The playdough I mixed was so sticky that it got rather messy. No wonder the textural roughness to the paintings. Someone figured out that flattening the sticky mix with plastic wrapped helped remove the sticky mixture from our fingers.
You can try a little pseudo encaustic with a box of broken crayons. You must be careful, however, because paraffin is flammable. It suddenly is not a child's craft.
Gomi Romi (author)  mdeblasi15 years ago
Thanks! for the tip
Uncle Kudzu5 years ago
cool idea! scanning these creations might be another way of preserving them for the long-term. and i see the possibility for animated stop-motion "paintings" for perhaps older "kids" with this technique.
ChrysN5 years ago
This looks like a fun project for kids! Do the paintings last or does it dry out?
Gomi Romi (author)  ChrysN5 years ago
The kids love it - the pictures will dry out to quite a solid state and the surface goes white and crusty. Perhaps pictures can be varnished with a bit of pva and water mix (after thoroughly drying through in the sun) to keep the colours bright. The teatree oil should keep it from growing mouldy and last quite a while. Quite heavy though!