Yes, we hold a variety of childrens and adult classes
Place the bulk of the seam on the floor and hit it with a hammer. This will soften and flatten the area make sure you are using a Jeans size 16 needle.
Fit a new needle and check that the tension is not too tight.
I like a new needle with each new project I start.
This is asked a lot, I have been told about every 12 months if you use it a lot and if you don't do much around 18 months. Some machines need regular oiling in the bobbin race and some machines do not require any oil at all. Please note to use a good oil not an old one. DO NOT USE VEGETABLE OIL.
Always use a new good quality thread. If your thread is old it will break more easily.