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Fascinations REV2P Levitron Revolution with Platform Magnet

3.5 out of 5 stars 2 customer reviews

Price: £109.36 FREE UK delivery.
Usually dispatched within 4 to 5 days.
2 new from £109.36

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Product Information

Technical Details
Item Weight816 g
Product Dimensions10.2 x 10.2 x 10.2 cm
Manufacturer recommended age:8 years and up
Item model numberREV2P
Assembly RequiredNo
Batteries Required?No
Batteries Included?No
Remote Control Included?No
Additional Information
Best Sellers Rank 678,882 in Toys & Games (See top 100)
Shipping Weight816 g
Delivery Destinations:Visit the Delivery Destinations Help page to see where this item can be delivered.
Date First Available1 Sept. 2010

Product Safety

This product is subject to specific safety warnings
  • Warning: Not suitable for children under 8 years. For use under adult supervision

Product Description

  • Fascinations designs product to illustrate many magical aspects of world.
  • Witness for the first time stable levitation of an object using only an electromagnetic base located below the object.
  • Your object will levitate even if the base is turned on its side or upside down.
  • People wont believe that its possible until they see it for themselves.
  • Objects continuously revolve in space inspiring wonder and amazement.

  • Customer Questions & Answers

    Customer Reviews

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    Top Customer Reviews

    Verified Purchase
    OK so the first review winged on about a UK plug. Granted thats a pain and should be highlighted, but what a amazing device.
    It takes a little while to get used to setting it up but boy does it deliver.
    I and my kids have had various LEGO models floating in apparent mid air by building around the floating magnet.
    Its beautifully made and does exactly what it says on the packet. Top Drawer
    Comment 6 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    By Roy Brice on 2 April 2013
    Verified Purchase
    not working very well also only comes with non uk plug ,so had to buy adaptor. this should be supplied if selling to the uk market
    Comment 2 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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    Most Helpful Customer Reviews on Amazon.com (beta)

    Amazon.com: 3.1 out of 5 stars 192 reviews
    109 of 113 people found the following review helpful
    5.0 out of 5 stars Works remarkably well 23 Mar. 2011
    By Ron the engineer - Published on Amazon.com
    Verified Purchase
    The product works remarkably well for what it is doing and for the low cost of manufacture. It will lift quite a bit of weight. I have levitated an 8 oz orange with it, and it had no difficulty with that.

    The patent application for the device is available online. US patent number 2007/0170798A1. It is tough to read though. It reads like it was translated from French and Chinese by someone who didn't understand the invention, which is probably just what happened.

    Ernshaw's Theorem states that it is impossible to create a static magnetic field that can levitate an object stably on all axes. The configuration of permanent magnets in the Levitron Revolution holds the levitating magnet stable along the vertical axis and is also stable in tilt. But along the horizontal axes the floating magnet acts like it is balanced on a pin.

    The Revolution corrects for this using (apparently) four electromagnets to nudge the floating magnet back into position. Position is sensed by hall effect magnetic sensors in the platform. The four LEDs in the corners indicate which electromagnets are active. When the LEDs are on the electromagnets are off. The idea is that there is no continuous power demanded by the electromagnets, just slight nudges to keep the floating magnet centered on the magnetic field created by the permanent magnets. In normal operation you can sometimes see a slight flicker in the LEDs, but mostly they just appear lit and the electromagnets are off.

    The electromagnetic correction system works quite well and will normally keep objects levitating as long as power is applied. In fact, it works so well that if you are careful you can rotate the base around 360 degrees with the magnet stably floating off in space to the side of the base one minute and hovering underneath it the next. It looks like magic. This is quite a test of the control system, and if you aren't smooth in your motion the control system will be overwhelmed and the magnet will snap down onto the platform.

    Limitations on the power of the control system electromagnets, which are quite weak compared to the permanent magnets providing the levitation, along with the design of the control circuitry which appears to be optimized for slight nudges to keep the magnet centered rather than large pushes to bring the magnet to initial stability make it challenging to get the magnet levitated in the first place. The levitating magnet has a strong tendency to snap to the platform unless swiftly and accurately positioned in the exact horizontal center.

    Here are some hints I found helpful for getting the magnet initially positioned:

    1. Put some of the packaging foam the base was packed with over the platform when positioning the magnet, then remove it after the magnet is floating. This will reduce the tendency of the magnet to slam hard into the platform, as the force increases exponentially the closer the levitating magnet gets to the platform. This is particularly important when levitating the globe, as the magnet in the bottom of the globe can come detached from impact with the platform.

    2. Jiggle the magnet very slightly as you position it. It looks to me like the circuit is designed to be particularly sensitive to AC variations rather than DC levels. This makes sense as its normal mode of operation is quickly nudging the levitating magnet back to the balanced position, rather than keeping the electromagnets on at some continuous level to hold the levitating magnet in place.

    3. You use the LED lights in the four corners to determine centering. You have to watch all four at once. When all four are lit the magnet is centered and you can gently let go. The center point is very, very tiny, virtually a pinpoint, and the region that the electromagnets can provide sufficient corrective force is scant larger. You have to have the magnet centered very close to this point for the electromagnets to have the ability to maintain stability.

    4. Once locked-on the levitation platform should consume little power, but while you are centering the levitating magnet the power consumption can be unsustainably high. The manufacturer recommends taking no more than 10 seconds to position the magnet. If you don't succeed in that time move the magnet a foot above the platform, let the LEDs reset for 10 seconds and try again. If your unit overheats it is probably due to taking too long to get the magnet centered. There is supposed to be a thermal cutoff in the unit, but I wouldn't rely on that. Make your attempts brief and allow cooling time between them.

    5. You need to make many brief attempts, not one long grinding attempt, to center the magnet on the platform.

    6. There are several good videos on YouTube about positioning. Watching them will save you a lot of frustration.

    The consensus in the videos is that it may take you a couple hours to get the magnet floating for the first time. But after some practice you will be able to do it reliably in ten seconds to a minute.

    The inventor, Janick Simeray, has a website with interesting photos and information and has some videos on YouTube.
    126 of 138 people found the following review helpful
    1.0 out of 5 stars Cool, if it wasn't so poorly made. 31 Dec. 2011
    By Brett Anderson - Published on Amazon.com
    Verified Purchase
    This toy was very fun the first day I got it. Like they say, it's tricky at first, but easy to balance once you get the hang of it.
    Unfortunately what they don't mention is the quality of the base seems to degrade incredibly fast to the point that it becomes impossible to keep the thing floating.

    I received it a week ago, had about two good days of fun with it, and now it's totally busted. The magnet pulls to the same corner every time you try to balance it, and when you do manage to get it to stay centered, it'll float for 3-5 seconds, just long enough to make sure you know it's mocking you, and it will slam back down to that same damn corner again.

    In 5-10 years, when they iron out the many horrendous flaws,these guys are going to have a real sweet product on their hands.
    But right now, I spent $100 on an ugly paperweight, and the guarantee I'll lose every argument with my girlfriend over wasting money on dumb crap for at least the next year.
    48 of 53 people found the following review helpful
    1.0 out of 5 stars Levitron Revolution 26 Oct. 2012
    By Gary W - Published on Amazon.com
    Verified Purchase
    I originally wrote a glowing review of this toy because it really is amazing. I am now editing that review and changing my mind. I've now owned 3 of them. I bought one for work and one for home. The first one died within a few weeks and wouldn't levitate anymore. I sent it back to the company and they sent me a brank new one. The one they replaced it with worked great for about a week and a half and now no longer levitates. The third one sort of works but after 5 to 10 minutes starts wobbling off axis and crashes into the base. I have to leave it off for a while and it works for a little while longer then not. I love this toy so much, but I really can't recommend it based on its reliability/durability.
    19 of 19 people found the following review helpful
    1.0 out of 5 stars don't buy it! 8 Dec. 2013
    By JJJJF - Published on Amazon.com
    Verified Purchase
    The first one worked for a few minutes, then shut off and wouldn't turn on. It was quickly replaced by Amazon.The second one lasted even less time and won't turn on. How disappointing as this was a gift.
    17 of 18 people found the following review helpful
    1.0 out of 5 stars Broke after 4 days 18 Jan. 2014
    By Freshlife - Published on Amazon.com
    I was excited to receive this product but it broke right away. The LED's used to guide you to the center and now they don't do anything other than stay on. The magnet wont levitate anymore and simply sticks to the base.
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