Understanding Signals -- Now Shipping! -- This Stamps in Class guide shows you how to generate, view and measure a variety of wave forms with the Parallax USB Oscilloscope and BASIC Stamp-controlled circuits.

Parallax USB Oscilloscope -- Now Shipping! -- This portable two-channel digital storage oscilloscope is a handy and affordable tool for both hobbyist and student!

What's a Microcontroller? Parts Kit and Text -- Now Shipping! -- Incorporates a variety of fun and engaging experiments using motion, light, and sound.

The ARRL Instructor's Manual for Technician Class License Courses -- For use with The ARRL Ham Radio License Manual. Includes CD-ROM.

Basic Electronics Course and Kit -- New Price $55.00, effective April 21, 2008 -- The Basic Electronics Course and Kit is intended for those teachers and instructors that want a ready resource that they can adapt to their instruction of electronic fundamentals. The materials include a PowerPoint presentation and instructor's script. The course is designed around affordable components, prototyping board, and VOM and uses Understanding Basic Electronics as the associated reference (sold separately).