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Are you looking for a way to make your drawings look alive? Try this activity and make an awesome creepy face whose eyes follow you as you move around the room. By Mike McRae

Our eyes play a huge part in helping us explore the world around us, but occasionally they play tricks on us. In this optical illusion, we’re testing your perception of colour by making an after-image optical illusion. In other words, we’re tricking your eyes to see colours that aren’t really there. Check it out!

Check out this trick! By colouring in boxes, you can make a strange blobby picture that transforms when reflected in a curvy mirror!