This catches small marbles almost immediately after they hit the Triple Splitter. This hangs from the Triple Splitter, suspended above the Back Right Medium Landing Zone. It sends marbles down to the Right Side Small Landing Zone.
29 Apr 2019: small marbles now roll out properly, but they have not yet been fully tested within the final film.
15 Nov 2018: small marbles do not roll out from under the Triple Splitter onto the Little Wiggly Track, but they should.