Author Information:
David Eckold has been designing educational toys and construction kits for over 20 years. He developed and patented a construction system called TechCard which is used in schools around the world to teach Design and Technology. David used the principles behind TechCard to develop a series of 14 highly successful kits with DK. He has since worked in the toy industry developing hundreds of science kits, including all those for the Science Museum in London.
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