A pair of brazen thieves carried off a huge globe full of charity cash at Gatwick Airport.
The two suspects snatched the see through ball of money from Gatwick Airport in front of passengers waiting to get on flights.
In a separate incident two weeks later a gang including two of the same suspects tried to steal another box, but had to leave empty handed.
The first theft happened on January 3 when three men raided Gatwick's South Terminal then the three men made off on foot towards Horley, Surrey.
During the second incident was on January 18 four men entered the same terminal, two of whom are believed to have been involved in the previous theft.
They took another globe but dropped it on the floor when they were challenged by a member of airport staff.
No money was stolen and the suspects made off empty handed in the same direction.
Police released CCTV images of the two suspects they still want to trace which shows the two men who actually picked up the globes.
Three men have already been arrested and then released under investigation.
A 26-year-old man, from Crawley, West Sussex, was arrested on suspicion of being involved in the first theft.
Two men, one aged 24 from Crawley, and one aged 23 of no fixed address, were arrested on suspicion of being involved in the second theft, but police are still seeking to identify two men.
The man who actually picked up the globes on both occasions is shown in the images, wearing a baseball cap, as is the second suspect, who is wearing a black coat and black woollen hat.