the first ball arrives and stops at the end of the track. when the second ball comes, the track will move and both balls will leave.
member Happy999 edited this so it will turn if there is only one ball. the last three pictures shows her design.
Bio:hi i'm Martijn. i'm from Nederland aka The Netherlands. i speak a bit English but not really good. i'm sixteen years old and i like making funny stuff out o knex especially ball machines. my kn...read more »