A rolling ball triggers the gondola. Large differences in height are no hurdle for the Zipline! The new bracket system enables even more stable transport of the gondola - for even more GraviTrax action.
Vintage Shure 520 Green Bullet Microphone Harp / Harmonica Strong CM element
GraviTrax Extension Skytrax Addon Set Marble Run STEM Ravensburger
GraviTrax PRO Extension Vertical Set
GraviTrax Action-Set SkyTrax Marble Run Add-On Set Ravensburger
ElkSD-Plus1 Acorn Electron SD Memory Card Interface & 48K RAM Expansion
TI99/4A 32k Memory Expansion.
