They are generally released about 6 months to a year behind their OO counterparts .
Many of the buildings are the same as their Skaledale equivalent , except in different scales , to save the cost of designing a new model .
Many are generally released about 6 months to a year behind Many 's OO counterparts .
Many of the buildings are the same as their Skaledale equivalent , except in different scales , to save the cost of designing a new model .