THE HANDS-ON EQUATIONS LEARNING SYSTEM [S-1000]
Complete program for use with one student. Includes manuals for Levels I, II, and III, worksheets, answer key, and one student kit of game pieces with flat laminated balance. ISBN 0-9618105-0-5
"This system is just plain awesome, and it's pretty useful for parents, too, who now have a way of showing, rather than explaining, Algebra!" - from a teacher and parent.