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Educational game device

  • US 3,924,852 A
  • Filed: 04/30/1975
  • Issued: 12/09/1975
  • Est. Priority Date: 04/30/1975
  • Status: Expired due to Term
First Claim
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1. An educational game device comprising a relatively broad surfaced substantially flat base member, means defining a pair of reservoirs in one face of said base member, each reservoir being disposed at a location remote from the other, there further being means in said one face defining a flow transport course communication between said reservoirs, a cover member generally coextensive with said base member and received in contact with said one face of said base member, and a magnetically displaceable colloidal suspension presEnt within said device and normally disposed in one of said reservoirs, said magnetically displaceable colloidal suspension being selectively transportable from said one reservoir to the other along said flow transport course under the influence of a directional magnetic force.

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