From Jakks Pacific. The World of Nintendo 2 1/2-Inch Playsets let you replay classic levels from the Super Mario video games. The Lava Castle Set includes three interactive environment pieces with working mechanisms and a 2 1/2″ Fire Mario figure. The Underground Set includes 2 1/2″ Mario, Koopa Troopa, and Spike Top figures. The Underwater Set includes figures and coins. Start building up your Super Mario world with this amazing playset.