Wall Coaster:

Turn your wall into the world's coolest marble run!  Just stick the Wall-Coaster pieces on a wall to create your own roller-coaster track, where physics and gravity do all the work!
Wall Coaster track pieces can stick to nearly any wall or flat vertical surface.  (Parents don't worry - these kits come with special, non-marking coaster tack)
Wall Coaster provides exciting fun for kids of all ages!  See who can build the best gigantic jumps, fantastic free-falls and radical richochet's. Let your Imagination run wild!
After you've mastered the Wall Coaster, step up to the Extreme Stunt Kit (works with any Wall Coaster Kit)
Wall Coaster Kit (Original) includes:
10 - 4" coaster tracks
10 - 10" coaster tracks
3 - 6" coaster tracks
4 - Coaster bands
3 - Coaster marbles
4 - Glow in the dark marbles
1 - Package of reusable, non-marking Coaster Tack (read instructions and packaging before using)

Video here :