Toy Inventor’s Notebook

COLORFUL COMIC KALEIDOSCOPE

Invented and drawn by Bob Knetzger

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Materials

» PETG Tube-Pak with vinyl end caps, 1¼” diameter TAP Plastics #30245

» ABS plastic sheet, black: 1⅛”×6½” strips (3) and 1⅜” diameter disk

» LED, RGB RadioShack #276-016

» Button cell battery, 3V

» Button cell battery holder

» Momentary switch, SPST

Tools

» Cutting/drilling implement

» Super glue

ORDINARY KALEIDOSCOPES MUST BE POINTED TOWARD A LIGHT SOURCE TO WORK. This one has built-in illumination, so you can hold it right up against a printed page. ...

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