3V1155.1

3V1155.01 Cuisenaire rods: playing with them after experiments (3/22/81) Guessing games Peggy had used Cuisenaire rods in the immediately previous videotape. Somehow she got hold of them again and I became aware that she was laying them out [Bob had, I think, tried to see if she would build a “stair.”] As she did so, …

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