How to make it
7 steps. Tap one when it's done.
Build a paper wave that glows when the sun shines through it.

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The scissors, if yours aren't the safety kind.
7 steps. Tap one when it's done.
Tissue paper is thin enough that light passes straight through it, and each colour only lets its own colour through. Overlap blue and white and you get pale blue, the same way stained glass works.
Mix pale blue, deep blue, and white tissue to copy moving lake water.