37pcs Package included:
1X temperature sensor module
1X vibration switch module
1X Hall magnetic sensor module
1X button switch module
1X infrared emission sensor module
1X passive buzzer module
1X laser head module
1X3-color full color LED module
1X light break sensor module
1X 2-color LED module
1X active buzzer module
1X analog temperature sensor module
1X temperature and humidity sensor
1X3 color LED module
1X mercury switch module
1X photoresistor module
1X1 way relay
1X tilt switch module
1X mini reed module
1X infrared sensor receiving module
1X rocker module
1X linear magnetic Hall sensor
1X large reed module
1X flame sensor module
1X digital temperature sensor module
1X 2-color LED common cathode module
1X tap sensor module
1X infrared sensor module
1X line-sensing sensor module
1X colorful automatic flashing LED module
1X analog Hall magnetic sensor module
1X metal touch sensor module
1X high sensitivity microphone sensor module
1X microphone sound sensor module
1X finger detection heartbeat module
1X rotary encoder module
Package: Bag/Box
45pcs Package included:
1 x backplane
1 infrared sensor receiver module
1 laser head sensor module
1 temperature and humidity sensor module
1 infrared emission sensor module
1x5 V relay module
1 x gyroscope
1 finger heart detection module
1 microphone sensitivity sensor module
1 metal touch sensor module
1 flame sensor module
1 x 3 color LED module
1 hunting sensor module
1 linear magnetic sensor
1 rotary encoder module
1 active buzzer module
1 Magic Light Cup module
1 small passive buzzer module
1 digital temperature sensor module
1 tilt switch module
1 analog magnetic Hall sensor
1 x ultrasound
1 mercury opening module
1 Hall magnetic sensor module
1 SMD module LED RGB
1 mini reed module
1 two-color common cathode module LED 3mm
1 photoelectric switch with infrared sensor to avoid obstacles of smart car
1 key switch module
1 x photoresistor
1 test board power module
1 impact sensor module
1 temperature sensor module
1 vibration switch module
1 MICROPHONE sound sensor module
1 large reed module
1 two-color LED module
1 optical interrupt module
1 temperature sensor module
1 MP1584EN step-down module
1 SD card reader module
1 xPS2 joystick game controller
1 automatic LED flashing module
1 DS1302 clock module
1 water level module
Package: Bag

Package List:
37/45pcs x Sensor Assortment Kit Module Starter for  MCU Educ