Last year only 370 million toys were sold in the United Kingdom.
While unwanted toys are being transmitted to younger children, their components often contain plastic, making it difficult to recycle them.
So how do we tell the kids to think about the amount of plastic in the toys and not to spoil their party?
Greenpeace actress and activist Bonnie Wright, who starred Ginny Weasley in Harry Potter films, is investigating in a special report for BBC Radio 5 Live.
She was surprised by a group of school children supplying old toys.