Electromechanical

US$16.79
This is smaller and lighter than a standard servo, but it delivers the performance of a standard servo. It is recommended for smaller robots or in projects where space is tight.
Delivery within 2-3 weeks
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US$83.93

This is a dual range heat gun. The low range covers 500 F and the high range covers 900 F - 1100 F. This fine quality product can be used for: Heat shrink tubing. Paint removal. Drying metal. Drying ignition systems. Bending plastic/plexiglass. Window shrink films. Frozen locks. 

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US$7.48

This motor offers 48.6 in*oz of torque at 3V, rotating 360 degrees every 1.5 seconds (24 rpm - just a hair slower than a servo), drawing 400mA at stall (free running at 40mA).

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US$39.25

This is a 100 foot roll of general purpose 1/16" black heat shrink tubing. Shrinks to less than half of original diameter.

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US$0.91
This is a tactile pushbutton Light Touch switch: SPST-NO, Off-Mom, 5.00mm, 130GF. Contact Rating: 0.02A at 15VDC. Actuator Type: Standard. Mounting Type: Through Hole. Orientation: Vertical. Outline: 6.00mm x 6.00mm.
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US$5.96
This is a set of six colorful Ceramic Disc Magnets in six primary colors. Each magnet is 25mm in diameter.
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US$15.46

These Alnico U Shaped Magnets are painted red and supplied with a keeper.

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US$4.23
These strong steel horseshoe magnets are marked with North and south poles and supplied with keeper.
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US$9.46

This Floating Magnet Set contains 6 brightly colored magnetic rings, and the plastic stand, in a cardboard storage box. We have designed a special stand to replace the pencil, for hands-free demonstration. Magnets are in plastic cases, to reduce breakage.

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US$14.70
This consists of red and blue Plastic Covered Magnets. These magnets are attractive as well as an easy way to teach magnetic attraction and repulsion. Each magnet's dimensions are 80 x 22 x 10mm.
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US$51.82
An exceptional value! Comes in a reusable storage box. Contents:1 Steel horseshoe magnet, 2 Ceramic bar magnets,3 Ceramic donut magnets, 4 Metal squares (iron, copper, aluminum and zinc), 1 Iron filings pack, 1 Lodestone, 2 Magnetic compasses, 1 Activity Guide containing 17 experiments.
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US$5.01
The key is mounted on a 3" x 4-1/2" black acrylic base, with two binding posts. The key is made of plated metal with contacts and insulated button which is pressed to close the circuit momentarily.
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US$2.72
This is a SPST Knife Switch with Screw Type Binding Posts for a solid electrical connection, (4-1/2" x 2-1/2" x 1").
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US$4.47
This is a DPDT Knife Switch with Spring Type Binding Posts for a quick electrical connection, 5-1/2" x 3-1/2" x 1".
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US$2.45
This is a low cost small Knife Switch 2"L x 1"H x 1"W.
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