A simple solution for robotics is Intel Euclid with an iRobot (create2,roomba).
With the Euclid, all included sensors and an iRobot, it should be possible to prepare a simple and powerful robot explorer.
Costs:
Euclid: 400 $
https://click.intel.com/intelr-euclidtm-development-kit.html
Create2: 200 $
http://www.irobot.com/About-iRobot/STEM/Create-2.aspx
Roomba: 300-800 $
Tailoo USB cable
http://tailoo.hoo-box.com/index.html
Or you can try to get this one:
All you need included.
First picures are available:
https://x49svr40x172.xdsnet.de/xCloud/index.php/s/M9qoZrbxXzIOny6
https://x49svr40x172.xdsnet.de/xCloud/index.php/s/HLPFXikkq8SFWEq
https://x49svr40x172.xdsnet.de/xCloud/index.php/s/pJDUvGe8kJCH40R
https://x49svr40x172.xdsnet.de/xCloud/index.php/s/9RwnkOJ2tDB9Z0c
https://x49svr40x172.xdsnet.de/xCloud/index.php/s/l41VV37kBTpwBOx
to be continued…