Boomerang set
Boomerang is a classic machine by Graeme and Lux. With the Rewind, Reverse and Rewind Reverse, there is a Boomerang Quadruplet.
Boomerang.
Rewind Boomerang (Meteor).
Reverse Boomerang.
Rewind Reverse Boomerang (Star Wars).
The Boomerang Quadruplet:
.