Children tend to be interested in what is inside their favorite toys. Often, after such a curiosity that remains is to throw away the “spare parts”. Meanwhile, the gear mechanism of the clockwork toys — a source of miniature milling cutters: fixed in the Chuck of a drill, they are well-treated, soft metals and plastics.
Recommend to read
STEP INTO A NEW CLASS
For the last four years on the initiative of the heads of model aircraft clubs in the town of Zheleznodorozhny in the Moscow region competitions school students in the new class of...
MODEL CLASS F3B
The fuselage is laminated entirely of fiberglass, applying resin To Tina-153. The bow compartment to the first frame filled with foam PS-1, which cut the slots for placing the battery...
