Ask your grownup to shuffle number cards 0-10. Independley, place all the number cards on a washing line in the correct order. Count to 10, pointing along the washing line as you do so. Whilst your eyes are closed your grownups will turn round a number on the washing line. Open your eyes and say which number has been turned around. Turn the numbers on the washing line back again to see if they are right. Keep playing.

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