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An add-on created to attach to a 20-inch box fan, the Air Control Funnel turns an ordinary box fan into a concentrated laminar airflow source for testing airfoils and the aerodynamics of other geometric solid objects. Students use cardboard and cool-melt glue to construct a grid and funnel that easily attaches to the average box fan. Included are cardboard for construction and an elastic cord and elastic cord lock for attaching the funnel to a box fan. The Air Control Funnel is great to use with the Wing Build Kit and Wing Test Stand.

$21.25

Constructed of sturdy card-stock parts, this remodeled wind generator is easier to build than ever and requires no glue! This is an economical choice if you want everyone in the class to build and have one so students can see the power of the wind up close!

The kit comes with die-cut parts, adhesive dots, motor mount, and the Motor 500 with wires and a lightbulb. Requires a high-velocity fan (or wind) and scissors, sold separately.

Eco-Wind Generator II 10-Pack

This pack has enough materials for 10 students to each build and take home an Eco-Wind Gen II, an easily built student wind generator that uses wind to power a small lightbulb. Requires a fan (or wind), hobby knife, and scissors, sold separately.

Eco-Wind Generator II 30-Pack

Bring wind energy understanding to an entire class with this 30-pack of the Eco-Wind Gen II, an affordable model wind generator. Requires a fan (or wind), hobby knife, and scissors, sold separately.

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From $8.65

The Essential Frame and Axle Set has all the parts needed to build mousetrap vehicles, rubber band racers, balloon-powered projects, and more. All you have to do is add your own power source, and away you go. The Essential Frame and Axle Set includes 10 complete balsa frame sets, DVD layer wheels, brass metal axles, DVD/CD wheel spacers, thrust bearings, axle hooks, and high-tech Kevlar strings.

$93.50

Perfect for mousetrap vehicles, rubber band racers, and balloon-powered projects, the Essential Project Pack contains all the small parts you need to get your project from start to finish. The Essential Project Pack includes all the hard-to-find parts that are included in mousetrap-powered car and rubber band racer kits. The Essential Project Pack includes DVD/CD wheel spacers, thrust bearings, axle hooks, and high-tech Kevlar string. This is a 10-set of project packs.

$26.50

An easy and advanced braking system, the High-Tech Braking System has a wing nut that travels along a threaded axle and then wedges itself against the frame, causing the racer to come to an instant stop. Can be used with any type of project including mousetrap cars, rubber band-powered racers, balloon vehicles, and much more.

$9.65

Features 16 principle models, four main models, and four problem-solving models that enable students to investigate and understand the operation of simple and compound machines found in everyday life: gears, wheels and axles, levers, and pulleys.

$65.00 $55.95

Tune in your students to the ideas of elasticity, proportion, line of best fit, and more with this exciting activity. Students build a bungee cord out of rubber bands that you attach to the Rip Cord Parachute Drop and Stand. Add a doll or weight to the cord and have the students experiment to keep the load safe from a disastrous crash.

Includes the needed rubber bands, Rip Cord Parachute Drop kits, and Rip Cord Parachute Drop and Stand.

$385.00

Torque your students off as they build a tractor using laser-cut parts. After installing the motor and battery module (included) and attaching the wheels and gears, it’s time to drive the tractor. Students determine which gear ratios provide the best speed and which provide the greatest amount of pulling power (via torque). Requires glue and a Phillips-head screwdriver, sold separately.

$34.95