Very Mini Marble Run

This is a mini marble run designed for endless fun. Spin the cog and the ball goes round the run. This model comes with:1x mini marble1x mini run setup1x main drive cog1x mini drive cog1x main drive cog holder1x mini drive cog holder1x mini drive cog pin Warning Comes With Very Small Parts.If marble doesn't to print pls use the spare marble file.assembly guide