17 products in this category, displaying products 1 to 17.
Out of stock
Slides Plain (12)
Perfect Parts Company
Slides Plain (12)

$3.65

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Out of stock
Simplest Motors
Out of stock
MiniLab Crystal Radio Kit
Educational Design
MiniLab Crystal Radio Kit

$12.99

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Out of stock
Mega Science Lab
Out of stock
Hand Boiler
Out of stock
Giant Volcano
Smithsonian
Giant Volcano

$14.99

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Out of stock
Escape Robot kit