Save with this pack of 10 buzzers. 3 Volts DC 400Hz. Great for Morse code circuits.
Works on 3 V DC (any 2 AA batteries in series will do.)
Create your own circuits or test batteries and solar cells with this buzzer. Connect it to a battery and a key switch to make your own Morse code circuit.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Use this temperature-controlled soldering station for a variety of soldering applications!
Command robotic creations with this cool construction kit!
Get one of the craziest and coolest kaleidoscopes around!
This top of the line 21 inch tall Galileo thermometer features 10 floating spheres.