Whether they walk roll hop spin or play the drums all wind up toys operate on the same basic mechanism in the age before cheap batteries these simple mechanical devices were the most common moving toys for children. What is the principle behind wind up toys update cancel kx on it and that work is stored as spring potential energy meaning it has the potential to do work so this energy is then changed into mechanical movement form using the gears the spring is attached to the different levers connecting different parts of the toy causing . Remote controlled toys are typically controlled by a transmitter which sends a signal over a frequency to the receiver that sits in the toy being controlled the transmitter has a power source usually a battery which powers the transmitter remote controlled toys are any type of toy that can be . Rc toys come in many varieties from cars to robots learn about the parts of a radio controlled toy and see how rc toys operate without the aid of wires
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