2 Posters for home, daycares and schools are great educational visuals:  
1) All different - all equal
2) Kaikki erilaisia – kaikkisamanarvoisia
 
These visuals are great support in teaching children tolerance towards various cultures, languages, social and economical status.
 
With the price of 10eur you get a PDF and can make as many coppies as you want.