Visitor rating
Tricky concepts of light, energy, and magnetism become clear with this illuminating set of five programs.
Bergwall Productions, Inc., 1224 Baltimore Pike, Ste. 203, Kennett Square, PA 19317, Phone: (610)361-0334, Toll-free: 800-934-8696, Fax: (610)361-0092, Email: bergwall@bergwall.com, URL: http://www.bergwall.com
Available on VHS
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