Wednesday, December 3, 2014

DIY electric train


Posted by PP at 4:03 PM

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2 comments:

LS said...

This is what I call wonderfully simple science fun! Just brilliant! Reminds me of slinky too, but this doesn't get tangled up :)

December 4, 2014 at 10:17 AM
EH said...

Fantastic! I guess we have to try that!

December 8, 2014 at 5:50 PM

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