RampA slide. The marble rolls down it.
DominoesThey topple over, and the last one falls across the gap as a bridge.
SeesawThe marble's weight tips the plank, then it rolls down the other side.
BouncerA springy pad. The marble bounces up and over the wall.
FanBlows the marble sideways while it falls.
ConveyorCarries the marble along. Watch the arrows.
BumperSpringy and round - the marble pings off it.
MagnetPulls the marble across a gap it could never jump.
Pieces with a direction can be turned around: drop one in a slot, then tap it.
