Date: Thu, 08 Mar 2012 06:41:26
Author: --- "Anthony Lapinski"
Subject: Re: Centripetal puzzle
These are nice but overpriced. I got some free ones at various
conferences. You also have to flick it just right.
I have one of these, which is large and easy to spin:
But with shipping. it's overpriced. You can find them much cheaper in toy
>I have a couple of the smaller versions of the puzzle you describe but
>haven't seen any on the market for a couple of years. The nearest to it
>I know of is # PUZ-120 from Educational Innovations.
>On 3/7/2012 12:22 PM, Luke Donforth wrote:
>> Hello all,
>> I was looking to buy a couple of centripetal puzzles where you spin them
>> to get the balls to go to opposite ends
>> (number 4 at
>> I could make some, but I know these are commercially available, and I
>> didn’t want to iteratively design the optimal curve. Anyone got a
>> for these?
>> Luke Donforth, Ph.D.
>> Staff Scientist
>> CT Science Center
>> 250 Columbus Blvd.
>> Hartford, CT 06103