You should make a robot that throws the ball for your dogs and kids.you can also use it for baseball pitching.
By Oriolesfan8
Other robots from Synthiam community

Laurin's My Head Designed For Jd
Hi Community, I would like to show you the current status of my project. I work on a head for JD. The last change was to...

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Bhouston's Rubik's Cube Solving Robot
I found this robot on Thingiverse; www.thingiverse.com/thing:2471044 and thought it would be a fun project. Check it out...