In this Nick just moved into his old house that an old inventor lived in and when he checks the attic and a metal radio falls from a box and it's him in the head but later on he finds out that this isn't an ordinary radio.
In this Nick has a garage sale for all the stuff that was in the attic including the unordinary inventions that were in the attic. By the end of the day, Nick sells everything but soon will regret selling the inventions.
The next day Nick meets Mitch and Caitlin from his block and when Nick tells them about how he got that bump on his head Caitlin tells him the story they know about his house and the unordinary inventions. Later he soon finds out that the radio and everything has unique powers and that they must get all three back.
Nick and his friends head out to find all the inventions, soon after a long day they find two of four of them but walking home they notice someone following them but the person doesn't do anything and they get home but Nick doesn't know that this wasn't a friendly guy following them.
Two days later when they go out to find the rest of the inventions they find out that a secret society of physicists named Accelerati are after the inventions too and will do anything to get them. Then when Nick and his friends are going to get one of the inventions the bad guys try to stop them but Cailin gets captured and the society gets one of the inventions.
After a couple days Nick and Mitch find the rest of the inventions and go and save Caitlin and defeat the Accelati's from accomplishing to get the inventions and try to take over there the physicists world and be the best physicists known to man.