Man or machine? Now you can build a robotic arm just like the one used by Darth Vader. Learn how to control the Darth Vader Robotic Arm so it can turn, extend and even grip and pick up objects!
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A compendium of more than 240 classroom-tested lessons, this essential resource helps teachers build student understanding and skills and understand how children best learn math. In this third edition, Marilyn Burns has completely revised the first section to reflect what she has learned over the years from her classroom experience with students and her professional development experience with teachers. This section has also been expanded to address these important topics: teaching math vocabulary, incorporating writing into math instruction, linking assessment and instruction, and using children's literature to teach key math concepts. In an entirely new section, Marilyn addresses a wide range of questions she has received over the years from elementary and middle school teachers regarding classroom management and instructional issues.
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Vivitar's 900-power microscope with 28-piece kit is a fascinating and educational toy laboratory for children. It includes everything needed to engage young minds to explore the realm of the microscopic world. Includes: Durable, metal microscope with 3 magnifications, Tweezers, Scalpel, Prepared Slides, Blank Slides, Micro-slicer, Slide Covers and Labels, Experimental Specimens: Brine Shrimp Eggs, Sea Salt, Gum Media, Eosin dye, Color Filter, Collecting Vials, Petri Dish, Shrimp Hatchery, Needle, Stirring Rod, Graduated Cylinder, Replacement Light Bulb. Ages 8+
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Laser Toner, Okidata C5000 Series, 42127402 compatible, Magenta Produce high-quality printouts from the first page to the last. Specially formulated toner reduces smudging and streaking. Reliable and dependable, so you can count on it to perform when you
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Laser Toner, Okidata C5000 Series, 42127403 compatible, Cyan Produce high-quality printouts from the first page to the last. Specially formulated toner reduces smudging and streaking. Reliable and dependable, so you can count on it to perform when you nee
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Precision crafted lens has approximately 50 lines per inch. Lens is approx. 11" square and is 1/16" thick. Unmounted. Instructions included to build a 360° stand and frame (frame not included). Frame allows you to use lens as a solar cooker for heating prepared foods, or for other solar experiments. For experiments see our Fun With Fresnel Lenses Book. -- !!Caution!! A fresnel lens generates high temperatures when used under direct sunlight. Parent or teacher supervision required for educational demonstrations. Make learning safe!
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Features:
* Clock with red 7-segment displays in an attractive enclosure
* Automatic time base selection (internal or net-frequency controlled 50/60Hz)
* Internal time base with fine-tuning adjustment
* Select 12h- or 24h-mode for the time display
* Equipped with backup battery (3 x AA) in case of power failure
* Clock still displays the time in case of power failure
Specifications:
* Power supply: 9V AC/DC
* Dimensions: 3.6" x 1.8" x 4.0"
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Gel Wrist Rests Those fellows at Fellowes® make excellent office accessories! This 23-1/2" x 15-1/2" x 4-3/4" case lifts your monitor off the desktop and provides convenient storage for your keyboard and mouse. The innovative design fits virtually every keyboard, including the Microsoft® Natural". Its solid-steel housing supports a monitor and/or other equipment weighing up to 80 lbs. In it is a heavy-duty plastic drawer, with a wrist rest, that slides in and out on a ball-bearing mechanism. Slots, predrilled holes and an open back allow easy cable management. A mousepad in a separate 10" x 6-1/8" plastic frame is included. Gel wrist rests on the keyboard shelf and the mouse pad frame conform to your wrists and offer comfortable support. Good quality, a nice addition to the right configuration, and a $60.00 value.
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Design With Your PC! Wow, who would have thought that a basic learning lab kit would include CAD circuit design? This not only provides the convenience of computer aided design but makes it easy to understand circuit theory. The unique interactive CD program lets you create an endless number of functional electric circuits right on your computer. Once the design is complete you build them on the console with the supplied parts! Includes a voltmeter, ammeter, lamps, buzzers, diodes, resistors, and fuses. Comprehensive learning manual covers the design and construction of all circuits. Requires Win95 or newer with a minumum screen resolution of 600x800. No soldering required. From Power Tech.;
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