Makerspace on a Shoestring – Sylvia Martinez’s suggestions for elementary, middle, and high schools – product and project recommendations.
Sparkfun Electronics – Specializes in hobbyist electronic components, tools, and kits. The website features a project blog, buying guides, and tutorials from soldering to using a breadboard. Ask for educator discounts.
Adafruit – Unique and Fun DIY Electronics and Kits. Check the Young Engineers section for selections that are whimsical and fun. Ask for educator discounts.
Maker Shed – Make Magazine online store. Kits, maker hobby items, and books.
Robotshop – All your robot needs in one place. Robots for home, school, and professional use, plus drones, wearable technology, kits, toys, parts, and apps.
Digikey – Extensive collection of electronic components. If you can’t find it here, it might not exist!
PiMoroni – “Tech Treasures” abound from this UK based vendor for Raspberry Pi, micro:bit, and other microcontrollers, plus kits, accessories, and tools. The name? It stands for Pirate-Monkey-Robot-Ninja, of course.
Kitronik – Makes and sells electronic project kits for micro:bit, e-textiles, robotics, and other maker needs. UK-based.
Lectrify – Easy to use electronic parts and micro:bit add-ons that make all connections easier – sewing, soldering, or clips. Lessons and projects introduce circuits to any grade level.
Electronics Goldmine – Extensive supply of cheap electronic parts. Look for deals and bulk purchases, for example, a container of 200 LEDs for $5.00.
Jaycar – Australian supplier of electronic components.
Make Magazine Annual Guide to Digital Fabrication – Make Magazine publishes an annual issue with reviews and recommendations of the latest fabrication tools. Some of this is not online, so if you are not a subscriber to the magazine, it is worth buying the PDF online or finding this issue at a bookstore near you.
All About Laser Cutters – A comprehensive guide for laser cutters: buying, maintenance, setup, and more from Adafruit.
All 3DP – All 3DP has news, reviews, and guides for lasercutters and other fabrication devices and software.