How Wind-up Toys Work V2 Connecticut Invention Convention Take Apart Workshop For your class’ take apart workshop, you should be using wind-up toys such as the one shown in the picture below. This wind-up toy gets its energy from you turning the crank. When you turn the crank, you cause the spring inside the toy to coil more tightly. As the spring uncoils, it causes a gear to turn. When a big gear is connected to a small gear, it causes the small gear to turn very fast. In a toy car, the gears are connected to an axle and wheels that drive the car. Sometimes, an odd-shaped piece is connected to the gears, called a cam, which can cause the toy to jump. Instructions for Taking the Toys Apart: 1. Look around the exterior of the object for any screws. They may be hidden behind parts that can be taken off without any tools. Unscrew these. 2. Look at the top of the screw and decide which screwdriver best matches the pattern on the head of the screw. 3. Use that screwdriver remove the screws. Which way should you turn the screwdriver to remove the screws? 4. Once all of the screws have been taken out, carefully and slowly pull the toy apart into its different pieces. 5. Find the spring motor. This typically is contained in a white prism with a knob that can be turned to wind the spring. © Copyright 2014 Connecticut Invention Convention. www.ctinventionconvention.org [email protected]

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How Wind-up Toys Work V2Connecticut Invention ConventionTake Apart Workshop

For your class’ take apart workshop, you should be using wind-up toys such as the one shown in the picture below. This wind-up toy gets its energy from you turning the crank.

When you turn the crank, you cause the spring inside the toy to coil more tightly. As the spring uncoils, it causes a gear to turn. When a big gear is connected to a small gear, it causes the small gear to turn very fast.

In a toy car, the gears are connected to an axle and wheels that drive the car.

Sometimes, an odd-shaped piece is connected to the gears, called a cam, which can cause the toy to jump.

Instructions for Taking the Toys Apart:

1. Look around the exterior of the object for any screws. They may be hidden behind parts that can be taken off without any tools. Unscrew these.

2. Look at the top of the screw and decide which screwdriver best matches the pattern on the head of the screw.

3. Use that screwdriver remove the screws. Which way should you turn the screwdriver to remove the screws?

4. Once all of the screws have been taken out, carefully and slowly pull the toy apart into its different pieces.

5. Find the spring motor. This typically is contained in a white prism with a knob that can be turned to wind the spring.

6. Either pull the knob out of the motor to expose the inside or use a screwdriver as a lever to pry open the motor. You may have to remove the cams on the outside of the box before you can open it up. Upon opening, the spring should unwind and the gears should fly out.

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