It turns out that lemon juice does a pretty cool thing if you leave it on a watercolor painting. Give it a few minutes to soak, dab away with a tissue, and some crazy shapes are left as a result.
1. Cut watercolor paper to the standard ATC size: 3.5" x 2.5". Paint with liquid watercolor paint, overlapping areas so that they bleed together. If possible, use full strength paint to get maximum color. Let dry, or make many cards so to give the first ones time to dry.
2. Use a brush or eyedropper to place small dots of lemon juice on cards. Let sit for a couple of minutes before dabbing with a tissue. The citric acid will “bleach” out the color below it.
3. Use a black ball point pen or marker to trace the shapes that are created and turn them into whatever creatures come to mind.
1. Cut watercolor paper to the standard ATC size: 3.5" x 2.5". Paint with liquid watercolor paint, overlapping areas so that they bleed together. If possible, use full strength paint to get maximum color. Let dry, or make many cards so to give the first ones time to dry.
2. Use a brush or eyedropper to place small dots of lemon juice on cards. Let sit for a couple of minutes before dabbing with a tissue. The citric acid will “bleach” out the color below it.
3. Use a black ball point pen or marker to trace the shapes that are created and turn them into whatever creatures come to mind.

12 comments:
SO COOL!!! science art too
This is a lovely project Kathy, thank you again! It's like looking at clouds, isn't it? So much scope for the kids to 'see' their own artistic interpretation within the bleached shapes.
LOVE the bright colors!! This reminds me of the "secret messages" my brother and I used to write each other using lemon juice. I think the message showed up when we heated the paper over a light bulb:))
Rubbing alcohol does amazing things to watercolor as well. :)
Thank you for sharing this! My kiddos will love it! :)
NotJustChild'sPlay
I love these!! Beautiful colors! Will the same technique work on canvas? Need a cute canvas project that preschoolers can do for parent gifts.
Great!
this is a super cool idea...thanks for sharing
Also, if you drop grains of salt onto the wet paper they will soak up the color. This is even easier than lemon juice. Vary the density of salt grains to make different effects.
Can you use ordinary paper or does it need to be water color paper? Thanks for the help. I love the idea but I live in China so it's a bit difficult to get specialized resources.
Watercolor paper really does make a huge difference. Copy paper just looks dull, but some drawing paper can look OK. I'd experiment.
This is very cool! I teach after school art to kids and I will share this with them!
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