CLEARANCE
Estes Viking Model Rockets
Intermediate-level rocket with five fiberboard fins and a streamer recovery system.
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General Use Hydrometers
Our general use hydrometers are made of smooth glass for easy cleaning and have sealed-in paper scales and metal ballast.
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Estes Wizard Model Rockets
Intermediate-level rocket with laser-cut balsa fins and streamer recovery system.
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Estes Alpha Model Rockets
Easy-to-assemble intermediate-level rocket with laser cut balsa fins.
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K’NEX Education Intro to Simple Machines: Wheels/Axles & Inclined Planes
Investigate and experiment with 7 functioning Wheel & Axle and Inclined Plane models designed to demonstrate science and technology concepts.
Students can determine, through investigation, if the machine multiplies the force it applies to the resistance (load), if the machine changes the direction of the force they apply, and more.
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Estes Green Eggs Model Rockets
Launch an egg and test recovery systems with this reliable, sturdy model rocket.
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Ward's® Essentials Trebuchet Kit
Recreate the medieval weapon using counterweights.
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Plastic Pulley Double
Economical pulley for simple machine experiments.
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Stem Explorations, Levers and Pulleys Building Set
Explore STEM concepts while building lever and pulley models!
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Plastic Pulley Single
Economical pulley for simple machine experiments.
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Whirling Table
Use hands on power to investigate rotational dynamics.
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Plastic Pulley Triple
Economical pulley for simple machine experiments.
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Pendulums on Stand
Show the difference between three pendulums with different lengths.