$16

Logic Gates Learning Kit #1 - Switches (Assembly Required)

$10.95

[ Adafruit ADA-997 ] Plastic Water Solenoid Valve - 12V - 1/2" Nominal

$78.23

Kaken 500 In One Electronics Lab Tested and works.Very good ! Read description.

$1.95

USB 2.0 A Male to B Male Cable - 30cm

$9.99

Solar Battery OWI-608

$24.99

Vintage 1982 Tamiya Model Educational Mini Bike Kit 70046 + Collectible Pin Rare

$80.24

V8 Mini Engine Model Kit That Runs Building Sets with Motor, APP Control Technic

$19.89

Thames & Kosmos Mega Cyborg Hand STEM Experiment Kit | Build Your Own Open Box

$59.02

Music Tesla Coil Arc Plasma Coil Desktop Toy Science Education Kit Mode Touchabl

$19.99

Vintage Radio Shack Science Fair 30 In One Electronic Project Lab 28-161

$22.99

Educational Tin Can Cable Car Project Hobby Kids Science Mechanic Kit DIY

$35

LittleBits Marvel Universe Avengers Hero Inventor Kit New Factory, Sealed