Police have released this CCTV image after two BMX bikes were stolen from a property in Whiteford Drive, Kettering.
The bikes, both pictured, were taken during two thefts in the space of three days at the same premises between Tuesday, June 14, and Thursday, June 16.
One of the bikes is a Zinc BMX in bright green with white handle bars, the other is a Zinc organge BMX.
The offenders are believed to be two men, one wore a baseball cap and striped jumper and the other a floppy hat and an Adidas top.
Officers would like to speak to anyone who witnessed these incidents or who has any information about it.
Witnesses or anyone with information can contact police on 101 or Crimestoppers anonymously on 0800 555111.