Writing in the Air
This was Heidi's 3rd try writing her name in the air. She got pretty good at writing backwards fast.
The blue light is a a ruler with blue LEDs attached to it, and the red light is 3 LEDs taped together.
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This was Heidi's 3rd try writing her name in the air. She got pretty good at writing backwards fast.
The blue light is a a ruler with blue LEDs attached to it, and the red light is 3 LEDs taped together.