"The cash register stolen in one of the robberies has not been located and police would like to hear from anyone who can offer information in relation to its whereabouts.
"While we've arrested five people for unrelated offences, we have recovered some items from the stolen vehicles providing links from this group to the robberies. Charges are yet to be laid for these crimes."
Jerams' Superette, at Hannah's Bay, was robbed on Saturday, May 24 and St Andrew's Superette, in Otonga Rd, on Sunday, May 25. Three children were in Jerams' at the time it was targeted by three men, one armed with an axe.
Police Ten 7 presenter, retired detective inspector Graham Bell, said the programme had this season experienced a "very high strike rate".
"People get indignant about this sort of crime," he said.
"This was a particularly bad robbery where three kids, who were customers, were terrified. The offenders monstered the store owner and his family. It shows what cowardly thugs they are." Anyone with information can call Rotorua police on (07) 348 0099, or anonymously call Crimestoppers on 0800 555111.
Police Ten 7 screens on Thursday at 7.30pm.