I can't help with the song, but the klacky balls are generally called suspended collision balls (http://froogle.google.com/froogle?q=suspended+collision+balls&hl=en&hs=adz&lr=&safe=off&client=firefox-a&rls=org.mozilla:en-US:official&sa=N&tab=ff&oi=froogler). You might also want to search under "kinetic energy toys" or something similar.
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
(no subject)
Date: 2005-11-17 08:59 am (UTC)