Two 17-year-old boys from Peterborough, who cannot be named for legal reasons, were arrested on Sunday night (9 January).
Tyler Eastabrook, 18, of no fixed address, was arrested yesterday morning (Monday 10 January).
All three have been charged with four counts of robbery of a moped, attempted robbery of a moped and conspiracy to commit robbery.
The charges related to one incident in Peterborough on Saturday evening (8 January), and four incidents on Sunday evening.
They have been remanded in custody to appear at Cambridge Magistrates’ Court today.