PhiTOP Stress Relieving Ellipsoid Spinning Top Physics Marvel and Optics Art

What is the PhiTOP. It is a prolate ellipsoid with a highly specific ratio of length/width. It is a unique spinning top. It is a beautiful kinetic artwork. It is an elegant miniature sculpture. It is an effective stress reliever. And it demonstrates a bevvy of scientific concepts from disparate studies in the field of physics! Spin it on its side at high speeds and watch as it seemingly magically rises to an upright/vertical position as it turns! The set also includes a concave mirrored surface to help you get the hang of your spinning technique. Makes an excellent conversation starter, and a great and unique gift for all ages.

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.