$ sudo apt-get remove etoys 

Uninstall etoys including dependent package

If you would like to remove etoys and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove etoys 

Use Purging etoys

If you use with purge options to etoys package all the configuration and dependent packages will be removed.

$ sudo apt-get purge etoys 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove etoys 

See Also,