One-minute challenge to find all the hidden differences in 6 odd shapes that up to 98/100 players give up

One minute ready for you to join the challenge begins.

Level 1.

Level 2.

Level 3.

Level 4.

Level 5.

Level 6.

Don’t forget to check the correct answer to see how many you can do.

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Leave your results here so I’ll find out the winner