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Description
Tesla Egg of Columbus 220V 100W AC Motor Rotating Magnetic Field Physical Toy - US PlugTesla Egg of Columbus 220V 100W AC Motor Rotating Magnetic Field Physical Toy US PlugFeatures:. Using capacitor split phase single phase motor scheme to generate rotating magnetic field. One winding is directly connected to the power supply, and the auxiliary winding is connected in series with the capacitor and then connected in parallel with the main winding. In this way, when the single phase alternating current is passed through the motor, due to
Tesla Egg of Columbus 220V 100W AC Motor Rotating Magnetic Field Physical Toy - US PlugFeatures:
.Using capacitor split-phase single-phase motor scheme to generate rotating magnetic field
.One winding is directly connected to the power supply, and the auxiliary winding is connected in series with the capacitor and then connected in parallel with the main winding
.In this way, when the single-phase alternating current is passed through the motor, due to the action of the capacitor, the current in the secondary winding is ahead of the current in the main winding in time, and they can establish a rotating magnetic field in the middle of the iron core, causing an induced current in the copper egg , Follow the rotating magnetic field and rotate
.The Columbus egg can be used for experimental teaching to demonstrate and explain the principles of rotating magnetic field models and asynchronous motors
.At the same time have a certain degree of appreciation, stimulate interest in scientific exploration, and strengthen the cultivation of scientific quality
.Suitable for children over 12 years old or adults
Specifications:
.Color: As Shown
.Material: Acrylic + Brass + Stainless Steel + Wire
.Voltage: 220V
.Power: 100W
.Product Dimensions: 40 x 24.7 x 8cm
.Product Weight: 7000g
.Package Dimensions: 45 x 30 x 10cm
.Package Weight: 7500g
.Packing: Carton Box
Package Content:
.1 x Educational Toy
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.7 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Loch Yes
Size: Medium/Large, Color: Dog Ness Monster - Large, Size: Medium/Large, Color: Dog Ness Monster - Large
Cute toy, dog really likes it. I had my doubts when I pulled it out, and honestly so did she, but the soft part bounces, so that got her going. We've had it for about a week. My dog is ~70 lbs and a moderate chewer, and this monster still gets regular play and is holding up well.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Great toys for aggressive chewers
Size: Medium/Large, Color: Turkey Day Drumstick - Large
These are great toys they last a while they are destroyed after a while but both dogs are aggressive chewers but they last about a year and a half. And they are go to toys they have one that is a shark mouth and they love it I have bought 4. (two of them the pups lost ).
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Reviewed in the United States on December 20, 2025
★★★★★ 4
Durable and Fun, Just Gets a Bit Rough
Size: Medium/Large, Color: Chopper - Large
This is a really good toy overall, especially if you have dogs that love to chew. My dogs were immediately into it—they play with it nonstop, toss it around, and stay entertained for a while, which I love. It definitely holds up better than most toys we’ve tried.
The only reason I’m giving it 4 stars instead of 5 is because over time it does start to fray a bit and gets a little rough, especially with heavy chewing. It’s not completely indestructible, but it still lasts longer than a lot of other toys.
Overall, still a great buy and I would recommend it if your dogs need something tough but fun!
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Reviewed in the United States on April 4, 2026
★★★★★ 5
Worthwhile!
Size: Medium/Large, Color: Turkey Day Drumstick - Large
I have a small dog with a really strong bite! Usually have to buy toys that are meant for bigger dogs. This has lasted us for what feels like forever. It does sound very heavy when dropped! My dog loves it though! Would definitely recommend!
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Ohhh Mr. Iguana
Size: Medium/Large, Color: Illana the Iguana - Large
Mr. Iguana is a house favorite! I got my first one of these in a barkbox and my dog loved it so much, i went on the hunt for another one. Amazon saved the day! I own about 7 of these now. They are prefect for dogs just love to chew, they hold up great! And they are heavy duty, super easy to clean! My dogs are very happy, great value for the money! Doesn't have a smell, vibrant colors! Noise level is quiet, minus my dogs chewing !
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Reviewed in the United States on August 13, 2025
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