Is that possible? Use GraviTrax with GraviTrax Junior ➕ Make your own adapter! 

Connect GraviTrax with GraviTrax Junior!
⬇️ Click "Watch more" to see the video description with important links ⬇️
Four ebooks with over 80 instructions for GraviTrax & Junior!
➡️ go.coogelbahn....
GraviTrax and 3D printing accessories:
➡️ go.coogelbahn....
Do GraviTrax balls run around Junior systems and vice versa? I've always wanted to try this out. And what's the best way to combine the two systems? You can find the answer in this short explanatory video.
GraviTrax at Amazon:
➡️ amzn.to/3Nm6pEi
coogelbahn.de on Instagram:
➡️ / coogelbahn.de
The whole world of marble runs:
➡️ www.coogelbahn.de
GraviTrax on Amazon:
➡️ amzn.to/30FKpsM (affiliate link)
To the coogelbahn.de channel:
➡️ / @coogelbahn
#gravitrax #gravitraxjunior
Music from #Uppbeat (free for Creators!):
uppbeat.io/t/n...
uppbeat.io/t/s...