Learning objective: Number logic.

Follow Roboto’s instructions and you will find the key, the final part for the time machine! There are many keys in this device, but Mia only has room for one in her backpack. Listen carefully and find the right one by process of elimination.

Scene 7 - The Yard (in the present)

Walk or skate towards the right, but be sure to look all around you may spot one of Romaine’s evil cousins! After you pick up the hidden Sparkly, proceed to the time machine. By clicking on it, you will give the missing parts to Marty and he will put them in place. Get ready to begin your journey through time!