Marty McFly has been catapulted back to 1950s Hill Valley when an experiment by his eccentric scientist friend Doc Brown goes wrong, and he needs your help finding a way of travelling back to the future to rescue his friend! Build Marty, attach him to his LEGO Toy Tag and place him on the LEGO Toy Pad to see him come to life in the game. Activate his special Sonar Smash ability to help him solve in-game puzzles and overpower enemies. When Marty McFly needs a time-traveling boost, add the rebuildable 3-in-1 DeLorean Time Machine and Hoverboard in to the game! Rebuild the DeLorean Time Machine into an Electric Time Machine and Ultra Time Machine. Rebuild the Hoverboard into a Cyclone Board and Ultimate Hoverjet. Unlocks the exclusive Back to the Future A Hill Valley Time Travel Adventure level.