Get ready for an incredible battle deep inside the Whispering Woods! Stride into the action with Jay piloting his dragon mech to take on the Mutation Monster inside its own heavily armed battle mech. Watch out as they attack with their claws, spear and tentacles! Strike back with Jay’s own sword. Jay needs to triumph if the ninja are to protect the Merged Lands. • LEARN-TO-BUILD MECH TOY – Boys and girls aged 4 years old and up can learn to build before playing out ninja battles with this LEGO® NINJAGO® Jay’s Dragon Mech Fight (71853) set• POSABLE FIGURES – Both mechs have an opening cockpit for a minifigure and posable tail, legs, arms and body for little ninja fans to place them into different battle stances• 2 NINJAGO® MINIFIGURES – This adventure toy playset comes with Jay and a villainous Mutation Monster, so kids can recreate action from season 4 of the NINJAGO Dragons Rising TV show• 4 WEAPON ACCESSORIES – This NINJAGO® battle toy set come with 4 interchangeable weapons for kids to enjoy enhanced play value: 2 swords, a spear and a set of claws• FANTASY GIFTS – This LEGO® set provides a fun build-and-play experience and is a ninja gift idea for kids aged 4 and up to fuel their imaginations and develop storytelling skills• MORE NINJA ADVENTURES – Discover other LEGO® ninja toys (sets sold separately) featuring detailed dragons, mechs, temples and vehicles• INTRODUCTION TO BUILDING – LEGO® preschool toy playsets help children learn how to build, while allowing the rest of the family to share in the fun• DIMENSIONS – This 107-piece kids building toy features Jay’s dragon mech measuring over 4 in. (10 cm) tall