Changing colour, Not changing colour, Which of the two central circles is the larger?, The left, The right, They are both the same size, Are these rice shapes moving?, Yes, No, Are these squares equal or crooked?, Equal, Crooked, Which line is the longest?, Bottom, Top, Middle, None, Which square is darker?, Square A, Square B, They're the same colour, Line C is the continuation of...?, Both lines, Line A, Line B.
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Optical illusions
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Jnorton
KS5
Computing
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