An Educational Kit with Arduino and about 30 Modules and Components, ideal for an introduction to electronics.

A Module with GPRS Antenna, operation Wireless and SIM Card.

Now the ESP8266 D1 Mini v3 is no longer alone! If you like WiFi communication, especially with ESP8266 chips, you can't miss this kit that includes several modules such as sensors, button, LED, Display, Relay, protoboard, among others. And you couldn't miss the respective ESP8266 D1 Mini v3 to be able to program in an Arduino environment and develop your wireless and IoT projects.

MP3 Player Shield - SparkFun

SparkFun OpenScale

XBee 6.3mW Wire Antenna - Series 2C ZigBee Mesh

The 8 Environment Sensors Kit, M5Stack Env Kit, includes the 8 Earth, Angle, Pir, Hub, Light, Rgb, Ir and Env Sensors.