Optimists marble run - set tubes
cults3d
Why not construct your own ball track elements, that match existing ones on the market? Pipe_01 is a simple standard connector with windows Tube_04 is a double standard connector Tube_05 is a triple standard connector Model size: Ø30mm x height: 50mm Model size: Ø30mm x height: 93mm Model size: Ø30mm x height: 136mm Used Ø14 balls / marbles All standard tubes in one set! Expand your assortment as often as you want!!!
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