Ravensburger GraviTrax Extension Loop

With this loop, in combination with your GraviTrax starter set, construct brilliant stunts. Start an exciting race with your marble and try to send it through the loop with as much power as possible. Do you have enough momentum to trick gravity? This cool extension is guaranteed to keep you from getting bored!

Contents: 1 loop base, 3 short rails, 1 long rail, 2 medium rails