Unique handmade models of a traction engine and a bi-plane were stolen in a burglary at a house in Jacksdale on Wednesday, 17th June.
The burglary took place at around 6am at a house in Wagstaff Lane while the residents were away on holiday.
Items stolen from the garage at the house included models of aeroplanes made by the homeowner, who also part way through the construction of the sit-on traction engine.
Precision engineering tools were also taken.
The thief or thieves also went into the house by removing a window and stole jewellery and Crown Derby ornaments.
Detectives are keen to hear from anyone who witnessed any suspicious activity in Wagstaff Lane early on Wednesday morning.
They also want to hear from anyone who may have seen a red Peugeot car or van being driven and parked in Wagstaff Lane on that morning.
It is suspected that the van may have been stolen from Mapplewells, Kirkby Woodhouse, sometime overnight prior to the Jacksdale burglary.
If anyone has any information about either incident they should telephone Nottinghamshire Police on 101, quoting incident 89 of 17th June.
Alternatively, they should call Crimestoppers on 0800 555 111.