edubuntu-artwork software package provides edubuntu themes and artwork, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install edubuntu-artwork
edubuntu-artwork is installed in your system.
Make ensure the edubuntu-artwork package were installed using the commands given below,
$ sudo dpkg-query -l | grep edubuntu-artwork *
You will get with edubuntu-artwork package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | GNOME |
| Package | edubuntu-artwork |
| Version | 15.12.1 |
| Description | edubuntu themes and artwork |
| Sub Section | GNOME |