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Extreme Kits @extkits.bsky.social · 10/10/2026

Maxwell's Cradle II Kit Maxwell's Cradle II is A desktop toy that shows the power of magnetism. A st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 03/10/2026

Cockcroft Walton Multiplier (Electronic Van De Graaff) Kit A 175mm tall, high voltage generator th... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 26/09/2026

10 x Morse oscillator practice kits - with 5x 5M cables A class Pack of 10 Simple Morse Practice osc... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 19/09/2026

Luminiferous Theremin Kit The Luminiferous Theremin Kit is a audio synthesiser musical instrument co... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 12/09/2026

Van De Graaff (VDG) Generator kit - V2 - 150mm - 40,000V of sparky fun. The 150mm Van De Graaff kit ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 29/08/2026

Pico RomWBW Z80 CPM Computer The PIco RomWBW is a PI PICO emulated CPM/80 Machine. It is capable of ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 22/08/2026

DVD/CD/Solar motors 3v-9V - Twin Pack Two RC300 6000RPM DC 1.5-9V Micro Motor for CD DVD Player, ide... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 19/08/2026

Just in time for next weeks lightning (UK) our lightning detectors are back in stock. extkits.co.uk/product/ligh...

Blue PCB with a battery box and Ariel, two LED's illuminate clouds and lightning etched acrylic.

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Extreme Kits @extkits.bsky.social · 15/08/2026

Cockcroft Walton Multiplier (Electronic Van De Graaff) Kit A 175mm tall, high voltage generator th... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 08/08/2026

10 x Morse oscillator practice kits - with 5x 5M cables A class Pack of 10 Simple Morse Practice osc... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 01/08/2026

Solenoid Engine Single V2 - Standalone The Solenoid Engine Single is a desktop st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 18/07/2026

RC2040 - Retro emulated Z80 CP/M computer kit The RC2040 is a PI PICO emulated RC2014 kit, with CP/M... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 11/07/2026

10 x Morse oscillator practice kits - with 5x 5M cables A class Pack of 10 Simple Morse Practice osc... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 04/07/2026

RP2350 - RomWBW Bus The RP2350 RomWBW Bus is an RP2350 emulated Z80 CPM Computer. It is capable of r... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 27/06/2026

Bat Detector - Bat Ears Bat Ears is a full featured Pi Pico based Bat detector/Listener kit that is ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 20/06/2026

DVD/CD/Solar motors 3v-9V - Twin Pack Two RC300 6000RPM DC 1.5-9V Micro Motor for CD DVD Player, ide... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 13/06/2026

Solenoid Engine Single V2 - Standalone The Solenoid Engine Single is a desktop st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 06/06/2026

Solenoid Engine Single V2 - Standalone The Solenoid Engine Single is a desktop st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 30/05/2026

Bat Detector - Bat Ears Bat Ears is a full featured Pi Pico based Bat detector/Listener kit that is ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 23/05/2026

Solenoid Engine Single V2 - Standalone The Solenoid Engine Single is a desktop st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 27/04/2026

Luminiferous Theremin Kit The Luminiferous Theremin Kit is a audio synthesiser musical instrument co... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 27/02/2026

Packed ready for the #camjam tomorrow. Bringing mostly the new Pi Pico related stuff to show, but due to travel arrangements, I won't be selling at the jam, althouh do have free UK postage from the website, when you order online. If you see me there, please say hello. extkits.co.uk #RaspberryPi

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Extreme Kits @extkits.bsky.social · 30/11/2025

This is Bernard, or Ber for short. Tomorrow is his birthday. To celebrate we are continuing our Black Fly day sale. For FlyBer Monday. Enter "Black Fly day" at the checkout for 10% off all our products. Last day tomorrow. extkits.co.uk

Bernard the fly on an extreme kits business card

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Extreme Kits @extkits.bsky.social · 28/11/2025

Grab a mini Van De Graff kit In our "Black fly day" sale" 10% off, if you use BLACK FLY DAY code at the checkout. We don't do #BlackFriday until Dec 1st. extkits.co.uk/product/van-...

A small Van de Graff with a fly at the base and a shiny metal dome.

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Extreme Kits @extkits.bsky.social · 26/11/2025

Pico RomWBW computer kits back in stock. You can now order with a wooden case as a single item, saving you £££s. Plus (minus ?) the 10% off Black fly day offer (use the code BLACK FLY DAY) at the checkout. ExtKits doesn't do #BlackFriday. extkits.co.uk/product/pico...

Small box with silk screened front panel rows of buttons, leds and switches extremekits and RomWBW logos. In a polished wooden case, with a huge black fly on top. Because Black fly day is really a thing, well its as much of a thing as black Friday is in the uk.

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Extreme Kits @extkits.bsky.social · 24/11/2025

If you've been following Extreme kits for a while you will realise that we don't do black Friday. But, to celebrate one of our software bugs becoming sentient, this year we will be doing "BLACK FLY DAY" 10% off your order at extkits.co.uk if you use "BLACK FLY DAY" at the checkout, until 1st Dec.

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Extreme Kits @extkits.bsky.social · 16/11/2025

Mini Wimshurst kits back in stock 30000V of whirly disk based #science on your desktop, but still safe for kids. extkits.co.uk/product/mini...

Small desktop battery powered Wimshurst machine. sparking between two silver balls on wire above the machine. Two acrylic disks spinning on an acrylic chassis below. against a white graph paper checked background.

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Extreme Kits @extkits.bsky.social · 15/11/2025

RomWBW Bus kits now available. All the features of the Pico2 RomWBW kit PLUS an OLED display emulating a 2 line LCD and a full #RC2014 IO Bus, so you can run RC2014 peripherals. Not that you really need to as you have SD disks, Speech synth, 8 bit LEDs / switches on the front panel.

RP2350 RomWBW Bus kit. 10 leds, 8 switches and an OLED display on two blue PCB's with a 40way connector.

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Extreme Kits @extkits.bsky.social · 27/09/2025

Nano Probe - Logic probe / Oscilloscope The Nano Probe is a combined logic probe and miniature oscil... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 13/09/2025

Cypher of the Monk's Clock A digital clock kit that has a OLED display of the time based on the Cyph... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 06/09/2025

Cypher of the Monk's Clock A digital clock kit that has a OLED display of the time based on the Cyph... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 30/08/2025

10 x Morse oscillator practice kits - with 5x 5M cables A class Pack of 10 Simple Morse Practice osc... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 23/08/2025

Nano Probe - Logic probe / Oscilloscope The Nano Probe is a combined logic probe and miniature oscil... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 16/08/2025

Morse oscillator practice kit x2 with 5M cable 2 Simple Morse Practice test kits for soldering pract... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 09/08/2025

Mini Wimshurst Electrostatic Generator kit V2 The Mini Wimshurst Electrostatic Generator kit is desi... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 02/08/2025

Maxwell's Cradle II Kit Maxwell's Cradle II is A desktop toy that shows the power of magnetism. A st... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 26/07/2025

10 x Morse oscillator practice kits - with 5x 5M cables A class Pack of 10 Simple Morse Practice osc... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 19/07/2025

Solenoid Engine Twin - Horizontal Motor Kit A Complete Solenoid engine twin, a horizontal standing e... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 12/07/2025

Bat Detector - Bat Ears Bat Ears is a full featured Pi Pico based Bat detector/Listener kit that is ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 05/07/2025

Bat Detector - Bat Ears Bat Ears is a full featured Pi Pico based Bat detector/Listener kit that is ... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 28/06/2025

Morse oscillator practice kit x2 with 5M cable 2 Simple Morse Practice test kits for soldering pract... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 14/06/2025

Knocker Kit Yep, it does what it says.... It knocks on doors, and other things too. A kit that wi... Read More #kits #makers #stem #science

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Extreme Kits @extkits.bsky.social · 31/05/2025

Morse oscillator practice kit x2 with 5M cable 2 Simple Morse Practice test kits for soldering pract... Read More #kits #makers #stem #science

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