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Kids:Toys and Games:All Toys:Plasma Ball

Plasma Ball

$49.00 Sale Price:   $19.99

Price: $49.00 Sale Price:   $19.99

Item# :2002222

Qty: This item is out of stock





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Control lightning with this desktop plasma ball. A small Tesla coil generates a large electrical potential difference, which tries to even itself out by discharging—in the same way that a cloud discharges lightning. Watch the plasma streams move toward your uncharged finger as you touch the ball, or make them respond to sound and music.


For ages 12 and up. 7" diameter x 11 1/2"H.


Electrical engineer Nikola Tesla invented the plasma globe when he was studying high-voltage phenomena in the late 19th century. The device is simple: a glass globe with an electrode inside. The ball is filled with inert gases—often neon and argon—at slightly below atmospheric pressure.


When you apply voltage to the electrode by turning the plasma globe on, it creates an alternating current that creates an electromagnetic field inside the ball. The first current sets the electrons in motion; the second current changes their path, which results in the colorful ribbons of light that dance up the sides of the globe.


The color (usually pinkish-purple) is a result of the gases. The high voltage that’s created inside the globe causes electrons to break free of the electrode in the center. As these electrodes break away, they accelerate, gaining energy and giving an electrical charge to the gas—ionizing it. As the electrons continue to pass through the gas, the excited gas particles have to find a way to give off some of the energy they’re gaining. They do this in the form of photons, or light. Different gases give off different colored light. Neon is red with pinkish-orange “fingers” at the ends, and argon is purple.


When you place your finger on the globe, it acts as a conductor of electricity, changing the electromagnetic field and attracting the plasma. Just don’t leave your finger in one spot for too long. All that electric charge builds up and can begin to warm the glass.


National Geographic is home to a thoughtful selection of educational kids toys, games, activity kits, books, and more that engage young minds and foster a lifetime of discovery through fun and hands-on learning. The leading concept in 21st-century education is STEM—science, technology, engineering, and mathematics. It’s a cross-disciplinary approach to learning that entrepreneurs and educators believe is key to a healthy innovation economy.


We’re proud to have been supporters of STEM learning since long before the acronym was invented. Anyone who has watched a child open a present only to set the gift aside and play with the box knows that kids have an innate curiosity and desire to explore and understand their world. National Geographic explorers never lose that curiosity, and it has lead to some of the most remarkable discoveries in the last 125 years.


REVIEW SNAPSHOT®

by PowerReviews
Plasma Ball
 
4.7

(based on 7 reviews)

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

No Pros

Cons

No Cons

Best Uses

No Best Uses
    • Was this a gift?:
    • Yes (5)

Reviewed by 7 customers

Displaying reviews 1-7

Back to top

 
5.0

BIG HIT

By wings

from westminster, md

Verified Buyer

Comments about Plasma Ball:

everyone loved this gift. kids from age two thru adult were enjoying it. lots of ooh and aah's

  • Was this a gift?:
  • Yes

(3 of 3 customers found this review helpful)

 
5.0

Tesla Plasma Globe

By Doug

from Rochert, MN

Pros

  • BEAUTIFUL

Cons

  • None

Best Uses

  • Stimulstion

Comments about Plasma Ball:

Periodically I place the end of my right thumb which was surgically amputated due to cancer in contact with the globe, which causes the internal lightning to focus or concentrate from electrode in the center of the globe to the end of my thumb. I imagine that some magical healing power occurs when the lightning concentrates on my thumb stub. Since this item really doesn't do anything other than emit lightning within the globe, the owner can imagine anything he or she chooses to. So- this is what I do- and enjoy the visual effects of the the plasma globe. It will do anything that you pretend to imagine, and it does it beautifully. Have fun. *****

  • Was this a gift?:
  • No

(5 of 5 customers found this review helpful)

 
5.0

Great product!

By Happy shopper

from Cypress TX

Verified Buyer

Pros

  • Well made

Cons

    Best Uses

    • Lovely Room Mood-accent

    Comments about Plasma Ball:

    Bought for 10 year old niece. She loved doing safe,but fun experiments with it.

    • Was this a gift?:
    • Yes

    (3 of 3 customers found this review helpful)

     
    5.0

    Great Plasma Ball

    By EGR

    from Houston, Tx

    Verified Buyer

    Comments about Plasma Ball:

    We saw a couple of these at the store but ordered this one on-line and are very happy with it.

    • Was this a gift?:
    • No

    (1 of 2 customers found this review helpful)

     
    4.0

    big hit

    By gramps

    from baton rouge

    Verified Buyer

    Comments about Plasma Ball:

    big hit

    • Was this a gift?:
    • Yes

    (2 of 4 customers found this review helpful)

     
    5.0

    I love grandma! My friend has one too."

    By Betty the shopper

    from southfield, MI

    Verified Buyer

    Comments about Plasma Ball:

    the expression on my granduaghter's face was priceless

    • Was this a gift?:
    • Yes

    (8 of 10 customers found this review helpful)

     
    4.0

    plasma ball

    By skyper finding good gifts

    from Williamsburg, Va

    Verified Buyer

    Pros

      Cons

      • Did Not Work First Order

      Best Uses

        Comments about Plasma Ball:

        I bought two for my nephews, one did not work on arrival, but customer service sent a new one, which was awesome!

        • Was this a gift?:
        • Yes

        Displaying reviews 1-7

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