What do you think of this 3-D marble cannon prototype? It’s an add-on for the GraviTrax magnetic cannon that looks like a cannon.
source
What do you think of this 3-D marble cannon prototype? It’s an add-on for the GraviTrax magnetic cannon that looks like a cannon.
source
GRAVITRAX CHALLENGE ANNOUNCEMENT : Attention GraviTrax Builders! Be included in my 1000 subscriber video! source