"agarose powder"

Ideal for tensioning lines.

Every classroom that wants to investigate spectroscopy needs a good-quality spectrum tube and power supply.

Here's everything you will need to get soldering.

Makes hard to connect components easy to use in electrical circuits.

Now you can put your body's static electricity to good use with this small neon bulb.

Unit consists of a sturdy metal frame carrying a DC motor with an eccentric shaft for exciting the vibrations. Clamp the frame to a table, attach a string and then simply use masses and a pulley to put tension on the string.

This lamp holder is suitable for miniature base lamps.

Students understand atomic line spectra in a whole new light.

Ground-breaking increases in speed and performance compared to the Raspberry Pi 3 Model B+.

This safe spectrum power supply features encased spectrum tubes.