To make scratch art, cover sturdy paper completely with wax crayon, brush dark tempera paint over it and let the coating dry. Use a blunt wooden tool to remove narrow lines of paint and reveal the colors below. Make a small test piece first: the right combination lets you uncover color with light pressure while the paper stays intact.
Choose materials that can handle the layers
Gather heavy drawing paper or cardstock, bright wax crayons, dark tempera paint, a broad brush and a blunt wooden chopstick or rounded craft stick. Protect the table with scrap paper and use a paint tray that will not be returned to food preparation. Choose art materials appropriate to the maker’s age and follow their labels. An adult should supervise tool use; a sharp skewer is unnecessary for a first design.
The Minneapolis Institute of Art’s scratch-painting activity uses a colored crayon or pastel layer beneath tempera paint. This version starts with wax crayons and a small card so you can learn how your supplies behave before preparing a larger picture.
Make a test card before the main picture
Use an offcut of the same paper you plan to use for the finished work. Rub several bright colors onto it firmly enough to cover the white surface. Paint over part of the colored area and leave part exposed so you can compare the original colors with the scratched result.
Once the coating has dried, draw a short line with the wooden tool. Look for a clear colored mark without a groove torn into the paper. If the test fails, change one thing at a time: improve the crayon coverage, try a different paper or adjust how much paint you brush on. A successful sample is more useful than committing all your paper to an untested combination.
Cover the main sheet with wax crayon
Color the surface in broad patches, stripes or overlapping blocks. Use colors you want to see in the finished lines; yellow beside blue, for example, gives a different effect from a sheet of closely related greens. You do not need to draw the final picture underneath. Most of that layer will remain hidden.
Hold the crayon at a comfortable angle and work over pale gaps. Check the surface from different directions to spot white specks. A patchy wax layer can leave places where paint grips the paper more strongly. If pressing firmly is uncomfortable, work on a smaller sheet or take turns coloring sections rather than forcing your hand.
Brush on the dark coating
Apply tempera in even passes, keeping the sheet flat on the protected table. Cover the colored area without building a puddle at the edges. The aim is an opaque surface that can later be scratched away. If your paint will not spread over your crayon sample, try a different compatible craft-paint product or use a tested scratch-art recipe rather than adding household ingredients at random.
The Mint Museum’s scratch-art project offers another approach that includes dish soap among its materials. Different recipes and products behave differently, so keep a successful sample with your supplies and note what you used. For this tempera method, follow your paint’s handling directions.
Wait until the coating is dry
Set the sheet where it will not be touched or stacked. Drying depends on the paint, coating thickness and room conditions, so use the product directions and your test piece instead of a fixed countdown. Paint that feels dry at one thin edge may still be soft in a thicker area.
Check the sample before the main sheet. If the wooden tool drags a sticky ridge or smears dark paint into the colors, stop and allow more drying time. If color still shows through the coating, the Minneapolis Institute of Art suggests that another paint layer may be needed; let the coating dry before drawing.

Draw by removing narrow lines
Begin with a few light marks at an edge. Hold the wooden tool like a pencil and move it slowly without pressing down hard. Try a curve, a straight line and a group of short marks. Turn the card when that makes a stroke easier rather than twisting your wrist into an awkward position.
Choose a simple design with room around it: a spiral with radiating lines, a leaf outline with veins or a group of small houses. Keep some dark spaces between marks so the revealed colors remain clear. For a wider line, make several gentle passes beside one another instead of digging a deep channel.
Troubleshoot the surface
If the paper tears, reduce pressure and switch to a rounder tool. If paint will not lift even lightly, compare the area with the test sample; missing wax or a different coating thickness may be involved. If broad flakes detach, stop rubbing the surface and use fewer, gentler marks. Start a fresh sample if the layer is too fragile to control.
If a line goes somewhere unexpected, incorporate it into the design. Add another curve, turn it into a border or repeat it as a pattern. Scratching removes the top layer, so erasing like a pencil drawing is not practical. Test any attempted paint repair on scrap first, since it can leave a visible patch.
Clean up and keep the artwork
Tip loose flakes onto the protective scrap paper and fold it inward for disposal. Clean hands and tools according to the art-material labels. Keep the finished surface from rubbing against other work. Store it flat with protection around it, and test any proposed clear coating on a spare sample before applying it to the picture.
For another way to use wax crayons, try crayon-resist watercolor art, where the colored marks remain visible while you paint. You can also display a small scratch-art card in a cardboard picture frame after checking that the frame edges do not scrape its surface.

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