I have a few set of this very fun and exciting product(brand new).
Magic UFO (12cm X 12cm, 680grams) 
This product makes use of physicsÂ’ theory (G+F=0). In order to achieve equilibrium to allow the UFO to float in the air, the weight must equal the magnetic force. The benefits of the product include:
1) Examine the patience and willpower of user;
2) Improve the capability of analysis and imagination; and
3) Test the capability of balancing and coordinating.
This is what you will see when it works:

Price: $16.90
Pls pm me your name, email and contact number to order.
Collection venue: Queensway Shopping Center
Thanks for viewing.