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Dirigible Derby

(4'x 2"x 7") 2015


This droll diversion is sure to amuse! It is a scientific experiment gone horribly wrong, it was originally an attempt at perpetual motion . . . it didn't really work.


It has to do with the weight of the balloons against the perkiness of the spring. You add a ball thingy with a hole in it to a copper pipe and zammy, whammy, poof! Hours of fun.

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