The one on the scale is made exactly the same as the one in my hand. No bobbin used, Its an thin (silk-like)paper just for not gluing it to the winder. I use regular balsa(tube)-glue. (that blue tube on the first pic) UHU Hart Balsa-glue
Its a kind of n00b-way to go, but iy works for me
The rig is homemade, a geared motor, connected to a microswitch to the electrical-counter.