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Air pump with gauge, for use with the Air Powered Projectile and Bottle Rocket Launchers.
5mm Green LED. Sold in packs of 10. Great for a variety of science project needs!
5mm Blue LED. Sold in packs of 10. Great for a variety of science project needs!
This Bi-color LED lights up green or red depending on the direction of current flow. 5mm red/green. Sold in packs of 10.
This handsome wall chart, covering the visible portion of the solar spectrum, makes an excellent teaching aid for any science classroom.