Aspiring ninjas fly into battle with the LEGO NINJAGO Ninja Dragon Riyu's Battle (71855) building toy for boys and girls ages 7 years old and up. As they build, kids prepare for action-packed showdowns and reimagine their favorite scenes from season 4 of the NINJAGO Dragons Rising TV show. Once their dragon is constructed, builders can pose its wings, legs, feet, arms, wrists, claws, head, tail and shoulders, and arm it with a large sword and shuriken weapon accessories. This set includes 4 minifigures: ninja warriors Arin and dragon form Nya, plus villains Mutation Monster and Loyalist, inspiring hours of pretend play good vs. evil battles. Kids can also swap weapons with the Cole's Mission Mech & Dragon Zane (71854) set, sold separately, for even more adventure possibilities. Makes a fun birthday gift or anytime present for kids who love ninja toys and dragon figures. The LEGO Builder app includes digital tools that make it easy for kids to save sets, track progress and zoom in and rotate models using 3D instructions. Contains 347 pieces.