Arduino intermediate kit is an Arduino advanced kit, let you learn arduino and sensors.
Gravity: 37 PCS Sensor Set for Arduino / Raspberry Pi - DFRobot
Low-cost water quality sensors. As I have already explained in my first…, by Marco Zecchini
Gravity: Intermediate kit for Arduino by DFRobot
Arduino starter kit for beginners by DFRobot
STEMfinity, Max:bot DIY Programmable Robot Kit for Kids
Gravity: 27 PCS Arduino Sensor Set - DFRobot
Gravity: IO Expansion Shield for Arduino V7.1 - DFRobot
Gravity: Starter Kit for Genuino /Arduino 101 with Tutorials - DFRobot
DF Robot Gravity: Arduino Zero to Hero Kit – CD-Soft
Buy Kits Arduino - DFRobot