One-day, in-person STEM “board games” where the “game” is an easy Arduino + sensors puzzle. Every event ends with a winner, a prize, and a fun recap.
Beginner-friendly Arduino challenge: build a mini line follower and race on a simple track.
Buttons + LEDs + buzzer: build a simple logic puzzle box and compete for best solve.
Easy sensor missions: distance, light, obstacle — learn debugging fast and win points.