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Tuning Fork Set (Scientific Grade, 8-Piece)

Eight precision tuning forks covering one full octave. Essential for acoustics experiments, hearing tests, and understanding resonance. Strike one near a piano and watch the matching string vibrate in sympathy. That's how the telephone works -- sympathetic vibration converted to electrical signal.

Morse Code Workshop -- The Original Digital Language

Learn Morse code -- the first digital communication system. On/off, long/short, 1/0. In two hours you will send and receive at 5 words per minute. We use a real telegraph key and sounder. Tip: Learn the rhythm, not the dots and dashes. Your ear learns faster than your eyes.

Crystal Radio Build -- No Batteries Required

Build a crystal radio from scratch: coil, capacitor, crystal detector, earphone. No batteries -- it runs on the energy of radio waves. You will tune into AM stations and hear voices pulled from thin air.

Antenna Design & Construction Workshop

Build working antennas: dipole, ground plane, Yagi-Uda. Wavelength, impedance matching, gain, directivity. The antenna is the most important part of any radio system. A perfect transmitter with a bad antenna is useless.

Spark Gap Transmitter (Demo Model, Low Power)

Low-power replica of an early spark-gap transmitter. Generates broadband radio pulses you can receive on an AM radio across the room. The crackle of the spark, the hiss in the receiver -- this is how the Titanic called for help.

Coherer & Detector Collection (Replicas)

Early radio detectors: Branly coherer, magnetic detector, crystal detector. Each a step in the evolution of radio reception. The coherer -- a tube of metal filings that clumps when radio waves hit it -- is crude and brilliant.

Television History & Electronics Workshop

How I built the first electronic TV. Electron beams, phosphor screens, scanning patterns. We will build a simple cathode ray demonstration and understand how 525 lines of light become a moving picture.

Oscilloscope (Analog, Teaching Model)

Analog oscilloscope -- a cathode ray tube that draws electrical signals as visible waveforms. See your voice as a wave, see music as patterns. The oscilloscope is the engineer's eye.

Soldering & Circuit Building Workshop

Learn to solder, read circuit diagrams, and build a working electronic project. Through-hole components on perfboard. I built my first TV transmitter in a rented apartment. You will build something simpler but learn the same fundamental skill.

Phonograph (Cylinder Type, Working Replica)

Working replica of my 1877 phonograph. Speak into the horn, turn the crank, it records your voice on a tin foil cylinder. Then play it back. The first time I heard my own voice played back, I knew the world had changed. You will too.

Chess Computer (Belle Replica Board)

A dedicated chess machine inspired by Belle, the first computer to earn a master rating. Play against it. It will beat you. That's the point. Learn from losing.

Drone (DJI Mini 3 Pro)

DJI Mini 3 Pro with RC controller (built-in screen). 4K/60fps video, 48MP photos, obstacle avoidance. Under 249g so no licence needed in Italy. 3 batteries, carrying case, ND filter set.