What you'll need
Tools
- Spray bottle with water
- Child-safe scissorsFind it →
- Baking sheet or tray
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How to make it
1Color the filter
Lay a filter flat on a tray. Scribble all over it with washable markers.
2Spray it
Mist it with water 3 or 4 times. Watch the colors spread and blend.
3Let it dry
Leave it for about 30 minutes, until it feels dry and crisp.
4Make a heart frame
Fold red paper in half, cut a heart, then cut a smaller heart out of its middle.
5Glue and trim
Glue the filter behind the frame and trim the extra. Tape it to a sunny window.
Use washable markers only. Permanent ones won't spread with water.
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