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Beginner Level 2
Lesson 3
Let's Build a Robot!
Parts Checklist
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R: 1 Motor
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S: 4 blue pegs
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T: 2 blue pegs-one short side one long side
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U: 2 black 2x1 brackets
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V: 1 beam 2x8
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W: Lift from part 2
Collect the parts
Part 3: Make Some Changes!
1. Remove the base of the lift. Parts D.
2. Switch one of the black brackets from the outside to the inside of the beam.
3. Remove the small blue pegs from the motor. Parts K
4. Replace them with blue pegs that are short on one side and long on the other side. Part T
5. Attach blue pegs to both holes in both of the black brackets. Part U
6. Attach the brackets to opposite ends of part V.
7. Attach this to the front of your robot. Make sure the beam is on top.
8. Attach the lift to the top of the beam at the front of your robot.
Great Job! You just built a robot! Now let's think about how you can change the robot's arm using what you learned about gears in lesson 2!
Option 1:Two Medium Gears
These gears are both the same size. Observe how fast the robot arm moves. Try putting an object into the arm. See if it can pick it up!
Option 2: Little Gear Driving a Large Gear
In this setup, a small gear is connected to the motor and drives the large gear. Try the same tests that you used in option 1 and observe what happens!
Option 3: Large Gear Driving a Little Gear
This time, a large gear is connected to the motor and drives the little gear. Using the same tests again, observe what happens!
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