Schylling Collectors, Mars Explorer, 1996. Wind-Up Speedboat Tin Toy Boxed Limited Edition. £11.00 Out of stock Schylling Collector Mars Explorer Tin Wind-Up Speedboat Tin Toy Boxed Limited Edition. Mars Explorer is a Limited Edition reproduction inspired by classic tin toys from the 1920s and 30s. It measures approximately 7" x 2.5". When wound up the propeller spins, complete with rudder. This Mars Explorer is in outstanding condition. The original box is as new. (See image below). A much sort after collector’s model, becoming increasingly rare.