CCTV images of the incident
Three bikes worth an estimated €15,000 were stolen from a shed in Hollywood area on the Kildare/Wicklow border on Sunday night.
The vehicles were two kids' quad bikes and an adult's Honda motorbike.
Five men were involved in the robbery which began at around 3am.
CCTV images who the men entering via the back wall of the galvanised shed and then unlocking the front door.
The Honda was later driven towards the Ballymore Eustace/Dunlavin direction at 3.40am followed by a black-coloured hatchback car.
The owners said: "If anybody comes across these bikes please let us know. The kids are beyond devastated."
The family said it offering a 'large reward' for information leading to the recovery of the bikes.
The stolen bikes are:
A Honda CRF 250cc (2016);
A King Cobra (2012)
A Yamaha PW 50
Subscribe or register today to discover more from DonegalLive.ie
Buy the e-paper of the Donegal Democrat, Donegal People's Press, Donegal Post and Inish Times here for instant access to Donegal's premier news titles.
Keep up with the latest news from Donegal with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.