Collection: Best Sellers

The best selling products here at Free Radical Labs
112 products
  • Student Organic Chemistry Molecular Model Kit by Molecularity (RMK-001)
    Regular price
    $ 17.38
    Sale price
    $ 13.95
  • Onion Expansion Dock
    Regular price
    $ 15.00
    Sale price
    $ 15.00
  • Onion Omega2
    Regular price
    $ 10.75
    Sale price
    $ 10.75
  • Onion Mini Dock
    Regular price
    $ 15.00
    Sale price
    $ 15.00
  • Onion Breadboard Dock
    Regular price
    $ 10.00
    Sale price
    $ 10.00
  • Onion Arduino Dock
    Regular price
    $ 20.00
    Sale price
    $ 20.00
  • Onion Power Dock 2
    Regular price
    $ 15.00
    Sale price
    $ 15.00
  • Particle Photon (w/ Headers)
    Regular price
    $ 19.00
    Sale price
    $ 17.50
  • Premium Male/Male Jumper Wires (Qty 40)
    Regular price
    $ 3.95
    Sale price
    $ 3.95
  • Onion Ethernet Expansion
    Regular price
    $ 15.00
    Sale price
    $ 15.00
  • Onion Servo (PWM) Expansion
    Regular price
    $ 15.00
    Sale price
    $ 15.00
  • SparkFun Beginner Parts Kit
    Regular price
    $ 14.95
    Sale price
    $ 14.95
  • Onion Relay Expansion
    Regular price
    $ 15.00
    Sale price
    $ 15.00
  • Free Radical Labs 30-oz Tumbler
    Regular price
    $ 25.00
    Sale price
    $ 25.00
  • Wall Adapter Power Supply - 5.25V DC 2.4A (USB Micro-B)
    Regular price
    $ 7.95
    Sale price
    $ 7.95
  • Bring Shop Class Back T-Shirt
    Regular price
    $ 20.00
    Sale price
    $ 20.00
  • Temperature Sensor - TMP36
    Regular price
    $ 1.50
    Sale price
    $ 1.50
  • Sparkfun Cerberus Cable
    Regular price
    $ 6.97
    Sale price
    $ 6.97
  • NFC - RFID Expansion for Onion Omega
    Regular price
    $ 20.00
    Sale price
    $ 20.00
  • Solid State Relay - 40A (3-32V DC Input)
    Regular price
    $ 9.95
    Sale price
    $ 8.95
  • Makey Makey - Standard Kit
    Regular price
    $ 49.95
    Sale price
    $ 43.95
  • Adafruit LED Sequins - Royal Blue - Pack of 5
    Regular price
    $ 3.95
    Sale price
    $ 3.95
  • Photo cell (CdS photoresistor)
    Regular price
    $ 1.00
    Sale price
    $ 1.00
  • SparkFun Soil Moisture Sensor
    Regular price
    $ 4.95
    Sale price
    $ 4.95
  • Solder Wire - 60/40 Rosin Core - 0.5mm/0.02" diameter - 50 grams
    Regular price
    $ 5.95
    Sale price
    $ 5.95
  • Multi-size wire stripper & cutter
    Regular price
    $ 6.95
    Sale price
    $ 6.95
  • 6-Inch Digital Calipers
    Regular price
    $ 14.95
    Sale price
    $ 14.95
  • Makey Makey Deluxe Kit
    Regular price
    $ 59.95
    Sale price
    $ 52.95
  • Multifunction Basic Power Supply Test Line - Banana to Various
    Regular price
    $ 3.95
    Sale price
    $ 3.95
  • Solder Wire - RoHS Lead Free - 0.5mm/.02" diameter - 50g
    Regular price
    $ 11.95
    Sale price
    $ 11.95
  • Micro B USB Cable with LCD Voltage / Current Display
    Regular price
    $ 7.50
    Sale price
    $ 7.50
  • Adafruit GEMMA M0 - Miniature wearable electronic platform
    Regular price
    $ 9.95
    Sale price
    $ 9.95
  • Black Nylon Screw and Stand-off Set – M2.5 Thread
    Regular price
    $ 16.95
    Sale price
    $ 15.95
  • Adafruit LED Sequins - Ruby Red - Pack of 5
    Regular price
    $ 3.95
    Sale price
    $ 3.95
  • Edimax WiFi Adapter (EW-7811UN)
    Regular price
    $ 14.95
    Sale price
    $ 12.95
  • Raspberry Pi Camera Module V2
    Regular price
    $ 29.95
    Sale price
    $ 29.95
  • 3 x AAA Battery Holder with On/Off Switch and 2-Pin JST
    Regular price
    $ 1.95
    Sale price
    $ 1.95
  • SparkFun Simon Says - Through-Hole Soldering Kit
    Regular price
    $ 24.95
    Sale price
    $ 24.95
  • Sparkfun RedBoard
    Regular price
    $ 19.95
    Sale price
    $ 19.95
  • X-Carve Z-Axis Adjustment Knob
    Regular price
    $ 5.50
    Sale price
    $ 5.50