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Normally 10-15 minutes are sufficient for this activity if enough material is available for each participant. Enough material means that there is negligible or no waiting time for using material. | Normally 10-15 minutes are sufficient for this activity if enough material is available for each participant. Enough material means that there is negligible or no waiting time for using material. | ||
Where materials for making traffic lights are not available in sufficient quantities for classroom use, you could think of alternatives, such | Where materials for making traffic lights are not available in sufficient quantities for classroom use, you could think of alternatives, such as children giving various hand signals corresponding to red / yellow / green. | ||
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