Now Before I start I wanted to let you know that I got this idea from my cousin AKA Portogreek on Minti.  She got it from her play group and I thought it was a great idea that I would share with you all.

 First of all it works better with 2 or more children but will work with 1just be creative. 

When it comes time to tidy the toys, you the adult, pick one toy and call this the magic toy. 
You then tell the children to pick up the toys and tell them that there is a magic toy and if they pick this magic toy they are are the winner.
The winner gets a prize, something simple like a sticker will do just fine. 

This is a game to them and it helps you out in the process.  Hope you try it and enjoy it.