Welcome,Please read the following instructions。<br><br>Features:<br>100% Brand new and high quality!<br>The fun of Ferrofluid in a mess-free, sealed display bottle.<br>Hard, impact resistant glass offers easy viewing and interaction with ferrofluid.<br>Each glass bottle contains full suspension solution (mostly water, plus some secret ingredients) and a glob of ferrofluid.<br>  <br>Specifications:<br>Material: Magnetic fluid<br>Size: 30*30*100mm<br>Color: Blue; Green; Red; Yellow; Black; White<br>  <br>Package included:<br>1 x New Toy Ferrofluid Magnetic Display in Glass Bottle Puzzle Game Kid Science<br><br>I wish you happiness.<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/572ab7c75495355d10c26c81-1-original.jpg" alt=""width="800"><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/572ab7c75495355d10c26c81-2-original.jpg" alt=""width="800"><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/572ab7c75495355d10c26c81-3-original.jpg" alt=""width="800"><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/572ab7c75495355d10c26c81-4-original.jpg" alt=""width="800"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;">