This novelty toy is the best way to initiate kids into basic science concepts, by offering them a fun, interactive experiential learning experience. You can make drops, pieces, spikes, and a little foot, by changing the moving speed, force, combination of the magnets. You can even make it dance. Use your imagination and imaginative magic. Features - Color: White. - Material: Silicone, glass, ferrofluid. - Size: About 3x3x12.5cm. - Spend time practicing focus and help kids develop fine motor skills and expand their understanding of the natural world. - You can make drops, pieces, spikes, and a little foot, by changing the moving speed, force, combination of the magnets. - Initiate kids into basic science concepts, by offering them a fun, interactive experiential learning experience. - More than just a toy, it helps kids with sensory processing development, through fun play with magnets - Nothing healthier than some relieving to combat anxiety and fight off stress from long work days.