Singer Sew Handy Toy Sewing Machine Troubleshooting/Help needed please! -video 2

This is my Singer Sewhandy machine that I need help desperately with.
I would love to have this sewing machine sew a proper stitch!
I'm hoping the You Tube community can help me out!
thank you kindly in advance!

both videos are very similary, hoping you can see slight different things.

Видео Singer Sew Handy Toy Sewing Machine Troubleshooting/Help needed please! -video 2 канала Sew Fun