Sequencing puzzle

Details Sequencing puzzle Sequencing puzzle

1990-10-26

1991-12-24

Bahr, Robert

Education and demonstration

Mathematics

Arithmetic

434171, 434159, G09B 100

Patent

active

050747940

ABSTRACT:
A puzzle for teaching the sequence of a series of elements as number or letters. The elements, in their characteristic outline shapes, are fitted overlapping in sequence into correspondingly shaped pockets in a board. A following element, seated before the next preceding element, blocks the preceding element from being seated.

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