How to build STEM toys

On chilly Saturday mornings my father would fire up the kerosene heater and get the back of our garage warm. He’d turn on the old radio, constantly tuned to the local public radio station, and Wait, Wait, Don’t Tell Me or Harry Shearer would come on, clearing away the static like gust of wind through cobwebs. “Get your old clothes on,” he’d say, sticking his head into the warm kitchen. I’d still be in my pajamas. I’d grunt and grumble.

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