Features: 100% brand new and high quality Stylish and innovative design, perfect gift for Christmas, nice office desk decoration; Excellent educational and science gadget, own your own piece of scientific history and explore significant values of physics; A funny toy that can be placed in house, school or office, or educational purpose, psychological purpose; An exquisite gadget gets everyone's affection and makes a lively homedecoration or executive gift; 100% Satisfaction Guarantee,If there is any problem with the use of the product, please contact me and solve the problem.For you to Resend or refund, Please don't give a low score directly.You and I both lose money if you only give bad reviews.Thank you, Dear customer! Power supply:4 x AA Batteries (not included) Color: see pictures Material:metal - plastic, Sales Way:Retail, Wholesal,Drop Shipping Size: One Size Length:25cm(9.84in) Width:22cm(8.66in) Height:10.5cm(4.13in) Quantity: 1pc Note: If you have big quantity (only need over 50 dollars), please feel free to contact me, I will give you SURPRISED PRICE(The more the quantity, the lower the price), thanks! Size For Manual Measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1x Celestial Orbital Perpetual Motion Instrument