My daughter and I have set up a small maker space in our house and we are stocking it with components. Our latest acquisition: this 37-piece Arduino sensor and effector kit. It's a great deal at $24.
Here's what's inside:
Joystick Module
Relay Module
Rotary Encoder Module
DS-3231 RTC Module
Ultrasonic Sensor Module
HC-SR501 PIR sensor Module
Flame Sensor Module
Linear Hall Module
Metal Touch Module
Digital Temperature Module
Big Sound Module
Small Sound Module
RGB LED Module
SMD RGB Module
Two-tone Color Module
7 Color Flash Module
Laser Emit Module
Shack Module
IR Receiver Module
IR Emission Module
Tilt Switch Module
Button Module
Active Buzzer Module
Passive Buzzer Module
18B20 temp Module
Photo-resistor Module
Temperature and Humidity Module
GY-521 Module
Photo-interrupter Module
Tap Module
Membrane Switch Module
Avoidance Module
Tracking Module
Magnetic Spring Module
Water Lever Sensor
Power Supply Module
LCD1602 Module (with pin header)