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The Experiment Box puts circuit design and coding in the same lesson. Fourteen components sit on one printed board, connected with banana plug leads that push in firmly and pull out cleanly — the same connectors used in school physics labs, so students learn a habit that transfers. What's included: Single-board layout with 14 components, connected by banana plug leads NTC temperature sensor and photocell LEDs, RGB LED and a rainbow LED ring Buzzer, 180° servo and DC motor Button, self-locking button and trimpot MOSFET transistor and resistors of several values micro:bit board and batteries are not included — add a micro:bit V2 at checkout What students practise: Current, voltage, resistance and Ohm's law, with a working circuit in front of them Reading a resistor colour code and predicting what a circuit will do Block coding in MakeCode to control components they have wired themselves Designing a circuit, then designing the program that drives it Eleven documented cases plus two circuit design exercises on the ElecFreaks wiki. Usefully, the components can be explored as a plain circuits lesson with no micro:bit at all — which makes this the one kit here that serves a physics class as readily as a digital technologies one.

This is the kit for students who should understand the circuit, not just the code. Twenty-four components and a breadboard adapter, with fourteen lessons that build up from lighting a single LED to driving a motor — each one explaining what the component does and why the circuit works. What's included: micro:bit breadboard adapter and breadboard LEDs, RGB LED and a rainbow LED module Button, self-locking switch, trimpot and photocell Temperature sensor, buzzer, 180° servo and DC motor Jumper leads, resistors and connecting hardware — 24 component types in total micro:bit board and batteries are not included — add a micro:bit V2 at checkout The fourteen lessons: LED, button, trimpot and photocell — the basics of input and output RGB LED, self-lock switch, temperature sensor and servo Buzzer, motor and rainbow LED Accelerometer, compass and ambient light, using the micro:bit's own sensors All fourteen lessons are documented on the ElecFreaks wiki. The kit supports MakeCode block coding, Python and JavaScript, and works with both micro:bit V1 and V2, so it stays useful as students progress.