Amazon S3 on MSN
Building a simple PVC blowgun using common household materials
The science pros at TKOR show how a simple PVC blowgun design demonstrates air pressure and airflow safely. Trump wants ...
Amazon S3 on MSN
Building a simple and inexpensive blowgun dart storage quiver
The science pros at TKOR create an inexpensive quiver to safely store homemade blowgun darts. Schatz says US 'absolutely ...
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