$ sudo apt-get update
$ sudo apt-get install edubuntu-menueditor 

edubuntu-menueditor is installed in your system.

Make ensure the edubuntu-menueditor package were installed using the commands given below,

$ sudo dpkg-query -l | grep edubuntu-menueditor *

You will get with edubuntu-menueditor package name, version, architecture and description in a table

edubuntu-menueditor package basic information: