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【Amazing Optical Illusion 】:Simply rotate it to reveal the mind-bending effect of a continuously flowing spherical helix.When revolving it creates an magical effect that looks like continuously flowing helix would merge into a surface of tabletop.
【Relieve Stress Gadget】: Ideal for office, home desktop placement, helps relieve stress and relax the mind. it can help children with ADHD ,add and increase their concentration.