Product: Fischertechnik Dynamic M Set
Brand: fischertechnik
Color: Multicolor
Contains 515 parts for building 4 fun models
Includes rotary funnel, 3 sound tubes, cross-over, and five 90 degree curves
Steel balls let the new sound tubes create melodic tones
A manual chain lift brings the balls back up to the top again
The perfect addition to all construction sets in the fischertechnik Dynamic line.

Search query: mind ware marble run
Relevance: Substitute