Ferrofluid Magnetic Fluid Liquid Display Funny Ferrofluid Toy Stress Relief Toy Decompression Toy

Feature: 1. Spend time focusing and help children develop their fine motor skills and expand their understanding for the natural world.  2. Nothing is healthier than saving a little time to counteract anxiety and prevent stress from long working days.  3. It is more than just a toy, it helps children develop sensory processing by having fun with it. 4. Stress Relief. It is an advanced toy that helps adults to relieve stress in fast-paced society. 5. It is a good gift for teenagers to make some scientific experiments. It is fun but is not boring like normal experiments. Specification: Material: Plastic & MagnetSize: about 12.5 * 3.3cmApplicable age: 8+ Package List: 1 * Magnetic liquid bottle2 * Magnetic block Note: When you are not playing with it, please lay it down and don"t twist the two ends of the bottle.