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

Khanflicks's Super Mario Humanoid Project
Hey guys! So Im waiting for minion to come in and decided to build something in the mean time. I realized its a lot...

Morbeious's My Printer Revolution Six
Gang, Well after a few weeks, of orders, Jammed 3d printer heads, and Soldering/wiring hiccups ups.. I got my custom...

Ezang's Robot Arm PCA 9685 Arduino On ARC
A quick demo: My PCA9685 and Arduino with 5 servos, MG996R 55g Metal Gear Torque Digital Servo Motor 18.99 for 4 servos...