100% brand new and high quality Beautiful design suitable any decoration,For example, home, office, classroom, party. It does not require batteries, only light. Suitable for people over 14 years old. It is a creative gift, we can send it to our friends or family.They will love it It is made of glass by hand, and each product is a work of art. It would be a good idea to give it as a gift. The stronger the light, the faster it turns. If possible, place it on a window sill or other place with strong light. Package Includes: 1x Radiometer Crookes Specifications: Material: Glass Height: 13cm/ 5.12 in Width: 7.62cm/ 3 in note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.