Date: Fri Aug 21 12:30:38 2009
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Author: Bernard Cleyet
Subject: Re: Happy - Sad Ball sets
Their xxness is a strong function of their temp. Were they at "room
temp." when you tried them?
On 2009, Aug 21, , at 07:05, Dale E. Stille wrote:
> Just got in some Happy-Sad ball sets # 611-0380 that I had ordered
> from Science First. What a disaster. The Happy ball only bounces
> about 4 inches back up when dropped from a couple of feet high, and
> the Sad ball bounces about 2 inches high and 2 or 3 times after
> hitting the table.
> Basically they are both somewhere between happy and sad....... but
> not showing either.
> You've been warned.
> Dale Stille
> U of Iowa
From email@example.com Fri Aug 21 12:30:38 2009