Electromagnet Kit
$38.99
Build an electromagnet, electrical catapult, doorbell, telegraph and more! Includes neodymium and ceramic magnets, LED, switc...
500 Metal-Trimmed Counting Chips
Product Number: DMC530
$29.99
Experiment, count and sort with our bright 3/4" round counting chips. They have metal edges so that you can pick them up with...
Experiment, count and sort with our bright 3/4" round counting chips. They have metal edges so that you can pick them up with a magnet.
DMC530
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Experiment, count and sort with our bright 3/4" round counting chips. They have metal edges so that you can pick them up with...