Bitz, Bob and the children are investigating how individual strands of ribbon or paper can be made stronger by weaving. You just have to criss-cross the strands under and over one another. Engineers even weave metal to make it stronger! Show less
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Bitz, Bob and the children are investigating how individual strands of ribbon or paper can be made stronger by weaving. You just have to criss-cross the strands under and over one another. Engineers even weave metal to make it stronger! Show less