Click on the squares until you find two pictures that match. When you do, you’ll find out an interesting fact about indoor air quality. When you’ve successfully completed level one, more squares will be added to get your brain working harder! Are your memory skills good enough for levels two and three?
Well done! You have such a good memory that you’re ready for a bigger challenge. See how you do on the next level!
Could do better! Have another go and see if you can improve your score. You need to practise your memory skills before you move on to the next level!
Congratulations! You’re a memory master! Now have another go and see if you can beat your previous score.