SHUYUE 3x3 Blue Fluorescent Speed Cube Glow In Dark Magic Speed Cube 3-D Brain Teasers IQ Puzzles For Kids and Adults

Description

Blue Suggested For ages 6 years and up Package included: 1 pcs Magic Cube Light-induced energy storage luminous powder is a phosphor that stores light energy after being irradiated by natural light, fluorescent light, ultraviolet light, etc., and after the light irradiation is stopped, it is slowly released in the form of fluorescence, so at night or in the dark , You can still see the light, the duration is as long as several hours to ten hours. Luminous Cube does not contain batteries. After you receive the product, you put it in a light environment to absorb light energy, and it will emit light that you like when there is no light.