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Item #11111
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The contact key is commonly known to be used in demonstrating Morse code. The Contact Key allows you to open and close circuits by pressing down on a lever. Metal studs ensure a solid contact for maximum conductivity. This product is an excellent tool for science experiments!
Age13+
Approx. Ship Size4.25 x 2.00 x 1.75 in
10.80 x 5.08 x 4.45 cm
10.80 x 5.08 x 4.45 cm
Weight0 lb 2 oz
0.05 kg
0.05 kg
⚠ Safety warning
CHOKING HAZARDSmall parts. Not for children under 3 yrs.
