3 Little Mini Sewing Machines Singer Little Beauty Gateway Junior NP-1

Description

No idea what we have here ??? They have rust on them and the wheels do not turn freely, not sure how to work them. In this listing the PICTURES ARE THE DESCRIPTION because this is not something we have knowledge of.
3 Little Sewing Machines. Here are all the markings I can see
Singer  has a 2 on it
Little Beauty No 337092
Gateway Junior NP-1
Condition is "Used". Shipped with USPS Retail Ground.