Rolling ball toy or marble run with automatic mechanism bringing balls to the top of the run, and then rolling down towards the bottom | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Bulgar, Wladimir |
Modell-Rechte: | nicht erforderlich |
Länge: | 28 Sekunden |
Seitenverhältnis: | 16:9 |
Restrictions: | - |