Description: 100% brand new and high quality Features: Magical Toy - Utterly addictive It will melt your brain with its awesomeness Novelty - Ferrofluid in a bottle, is the astonishing liquid, which can lead you to a carefree world Many shapes - You may also enjoy the fun and fascinating moments of playing Stress Relief - It's an advanced toy, to help stress relief for adults in the fast-tempo society Science Kit - It's a good gift for teens to do some science experiments, fun but not boring as normal experiments Perfect Gift - The best relaxing educational toy for all ages Your best adorable gift choice Specification: Material: Glass, plastic, ferrofluid Color: Red,White,Blue,Green,Black,Yellow Size:app 12 x 3cm / 4 72 x 1 18in Quantity: 1 set Note: Transition: 1cm=10mm=0 39inch With retail package Please allow 1-2cm 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 Thank you Package includes: 1 x Ferrofluid bottle 2 x Magnets(other accessories demo in the picture is not included )