It's simple, it's frustratingly fun, it's iR's School Run!
Can you keep a mental count of the number of kids entering and leaving school?
Take the 'Challenge' and try to complete all 12 Levels in one go, or 'Chill' and work through the different levels in your own time.
iR School Run at a glance:
* Practise counting, addition and subtraction skills.
* 12 levels of difficulty.
* Great brain training.
* Fun for all ages!
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