PLEASE SELECT THE DESTINATION COUNTRY AND LANGUAGE :
Self-production |
한국 |
$10.50 |
$60.00 |
P00000OQ |
Select item with details above |
Name | Quantity | Price |
---|---|---|
Pull switch / Goldberg / After School Materials / Homeschooling / Science Parish | 10.5 ( 60.00) |
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It is a device to start the ball of another device
Material
Corrugated cardboard, Rubber, Plastic
Components
Corrugated cardboard(Body, Swivel board, Swivel fixed board, Stopper fixed board, Stopper),
Snap button, Transparent rod, White rod, Rubber rings, Thread
Goldberg connector.
The ball of the other device activates the switch to start the ball which is fixed by the installed stopper.
It can be used between the B-3 via and the B-5 rolling wheels, and can also be used on other devices. It is also easy to understand scientific principles while creating pull switches.
1 step. Make a body
① Prepare the body.
② Fold the body along the fold line as shown.
③ Insert the three hooks into the grooves to complete the body as shown.
2 step. Make a swivel board
① Prepare the swivel parts.
② Lay the two swivel board one by one and snap it into the upper groove with a snap button.
*Check the location of the hole.
③ Fold the swivel fixed board (top, bottom) along the fold line.
④ Assemble the bottom fixed board to the groove on both bottom of the swivel board.
⑤ Insert the transparent rod into the groove under the swivel and fix it with black rubber ring on both sides.
3&4 step. Connect the body and the swivel board & Make a stopper
① Insert the swivel into the body and fit the transparent rod of the swivel into the grooves on both sides of the body.
② Secure with red rubber ring on both sides of white rod.
&
① Overlap two 'stopper fixed board' and secure them with snap buttons. Then connect the fixed board and the stopper with a thread.
5 step. Complete the pull switch
① Assemble the Swivel fixed board(top) onto the swivel.
② Complete the assembled stopper by inserting it into the upper fixed board(top) groove.
6 step. Try the pull switch
① Release the completed pull switch.
② Secure the ball with a stopper to match the distance from the other device.
The other ball rolls under the pull switch and touches the swivel to activate the switch.
The thread on the top of the swivel pulls out and the stopper holding the ball comes out.
As the stopper comes off, the ball from the other device starts naturally.
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