Carl's Electronics
We have hundreds of electronic kits, circuits, and plans that are fun, educational, and hobby practical.
http://www.electronickits.com/
Velleman
Velleman
http://www.velleman.be
EZ Kits
EZ Kits
http://www.ezkits.eu/
Hobby Elektronica
Hobby Elektronica
http://www.hobbyelektronica.nl/products.htm
Speaker & Co
De website van Speaker & Co.
http://www.speaker-en-co.nl/
MadLab Electronic Kits
MadLab Electronic Kits
http://www.madlab.org/kits.html
Velleman Components
Velleman Components
http://www.velleman.be/