Budget Physics

Vortex II Coin Bank
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Vortex II Coin Bank
Metal Balance Bird
Available here:

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Metal Balance Bird and Stand
SpinForce Globe
This fun toy available here:

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SpinForce Globe with Two Cars
TrueBalance Coordination Puzzle
Get the full version (8 disks made of wood) or the mini (6 disks, blue or red plastic):

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TrueBalance Coordination Puzzle
Pixelated Playing Cards
Available from these fine sources:

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Pixel Cards

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Pixel Cards
Tail Spin Geared Kinetic Toy
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Tail Spin Kinetic Toy
Magnetic Sand Hourglass
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Magnetic Sand Timer

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Magnetic Hourglass
Time's Up Inverted Timer
Similar timers available from these sources:

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Inverted Timer



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Inverted Timer
The Ooze Tube
Many colors (and two sizes) to choose from:


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Ooze Tube

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Ooze Tube


The physics of the liquid rope-coil effect is pretty complex. Here is a recent scientific paper on the topic with nice illustrations.

Journal of Fluid Mechanics: Multiple coexisting states of liquid rope coiling
Liquid Crystal "Mood" Necklace
Similar mood jewelry available here:

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Liquid crystal jewelry
Acrylic Rattleback
These acrylic versions work great and are inexpensive:


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Rattlebacks


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Rattleback
Magnetic Levitation in 1D
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Floating Ring Magnet Set

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Floating Ring Magnet Set
Magnetic Top and Snake
Available in a variety of styles:

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Magnetic Top and Snake


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Magnetic Top and Snake
Pop-Pop Boat:
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Pop-Pop Boat


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Pop-Pop Boats
Newton's Yo-Yo/ Klika Toy
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Klika Collision Toy

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Klika Collision Toy
Switch Pitch Ball
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Switch Pitch
Oil Drop Timer with Dolphins
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Dolphin Timer
Mini Balance Pterosaur
Get this mini prehistoric balance beast here:

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Balance Pterosaur
Oil Drop Cascade
Avilable here:

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Oil Drop Cascade Timer

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Oil Drop Cascade Timer
Precession of a Gyroscope
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Gyroscopes

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Gyroscopes
MaBoRun Mini
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MaBoRun Mini Marble Run
Drinking Bird Heat Engine
Get this famous physics toy from these sources:

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Drinking Bird Engine

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Drinking Bird Engine
Mini Wind Turbine
Nice little unit for less than $10

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Mini Wind Turbine

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Mini Wind Turbine
Balance Bird
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Balance Bird