Table of Contents
Introduction xii
Warm-Up xiv
Part 1 Basic Mechanisms
Rotating motors 2
Transmitting rotation with gears 12
Changing the angle of rotation by 90° 24
Oscillating mechanisms 28
Reciprocating mechanisms 34
Changing the angle of an axle 40
Transmitting rotation with rubber bands 44
Using cams 46
Using turntables 50
Lighting up the center button 56
Controlling the LED Matrix 58
Using the remote control 60
Part 2 Moving Mechanisms
Vehicles with one motor 64
Vehicles with two motors 72
Turning with a steering wheel 80
Walking robots 86
Part 3 Practical Mechanisms
Gripping tools 96
Lifting devices 104
Flapping wings 110
Using the projectile launcher 116
Shooting devices 120
Wind devices 126
Part 4 Using Sensors
Using the Distance Sensor 132
Using the Color Sensor 134
Using the Hub's built-in sensor 136
Vehicles with sensors 142
More ways to use sensors 160
Part 5 Other Enjoyable Mechanisms
Various moving mechanisms 170
Spinning tops 196
Drawing devices 206
Automatic doors 226
Making fun games and toys 232
Bonus mechanisms 248