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Self-production |
한국 |
$10.50 |
$60.00 |
P00000OM |
Select item with details above |
Name | Quantity | Price |
---|---|---|
Rubber band car / Science gifted students / Homeschooling / After school lessons / After school materials / School district | 10.5 ( 60.00) |
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A car powered by elasticity of rubber bands
Material
Corrugated cardboard, plastic
Components
Body, 3 washers, Wheels, Rubber band, White rod, Transparent rod, Rubber ring, 5 sets of snap buttons
Goldberg device connection device. Move rubber band car to knock down dominoes to activate other devices.
While making rubber band cars, you can know and understand the scientific principles of centrifugal force and elasticity.
step 1,2 Make a body & Connect the body and wheels
① Fold the body into a square shape and fasten it with a snap button.
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① Fit the wheels to the grooves on both sides.
② Align the two larger hooks of the four hooks with the grooves of the wheel and secure them with snap buttons.
step 3,4 Secure the rubber bands & Connect the transparent rod
① As shown in the figure, fix the white rod through the ring and the rubber band to the body.
*See tips
&
① Stack three paper washers on the opposite wheel and pass them through the rubber bands.
② Insert a transparent rod into the rubber band and a rubber ring on the opposite end.
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