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Learning system with interlocking hexagonal control structures

  • US 5,447,433 A
  • Filed: 08/17/1993
  • Issued: 09/05/1995
  • Est. Priority Date: 08/17/1993
  • Status: Expired due to Term
First Claim
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1. A learning system comprising at least two objects having cooperatively aligned, releasably interlocking hexagonal control structures for joining the objects in a predetermined sequential and positional relationship, the hexagonal control structures comprising ordered pairs of hexagonal bosses and recesses having one or more peripherally disposed protuberant lobes.

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