Here is a STEM kit that comes with everything you need to build a ball pitching machine. It comes with wooden parts and non-toxic materials that are safe for kids. It teaches students engineering, wiring, kinetic energy, and other STEM concepts.
More gadgets like this: here
The Ball Pitching Machine kit from STEN Powered is easy to assemble and ready to be customized. You can find out more about it here.
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.