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Picture of Lily Pad Spin
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Lily Pad Spin is another ride in Froggy World, the amusement park for adventurous frogs.

This ride, designed by my wife, is for the "family" frog.  Mom, pushes a stroller of tadpoles while Dad manages the older siblings.  Frogs have a choice of riding the "spin" or sitting atop the bouncing spring.

Mechanical parts--motor holder, spring holders and lily pad rotating base were 3d printed, files here:

http://www.thingiverse.com/thing:53793
 
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Step 1:

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Start with the printed base and add a Jameco (#155821, jameco.com) gear motor.  This press fits in the base.

Step 2:

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Using 4 inch by 6 inch by 1/4 inch plywood, I glued together the sides of a box.

Step 3:

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Add two pieces of 1/2 inch plywood (one for the bottom, one to elevate the motor).

Using wood screws, mount the motor.

Step 4:

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Make a top using 6 inch by 6 inch by 1/4 inch plywood.  Cut a large hole in the center.  Fasten this with two small screws.

Paint the box.

Step 5:

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Title the ride and add baked clay lily pads.

Step 6:

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Place the 3d printed "wheel" on the shaft of the Jameco motor.

Step 7:

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Make a lily pad and frogs using clay.  Bake the frogs.  Glue the assembly to the rotating base.

Step 8:

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Take a .44 inch by 10.25 inch by .04 inch spring and cut it in half. 

Insert each half in a 3d printed spring holder--tilting the spring at an angle.

Glue clay frogs on the ends and screw the holders to the top of the box.

Step 9:

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Make and bake Mom and the tadpoles.

Step 10:

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Make and bake Dad and the two kids.

Step 11:

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Apply 9 volts to the motor and let the ride commence!
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