Fluorescent green magnetic ball glows at night after absorbing ultraviolet light, and the color changing magnetic ball changes color under ultraviolet light.
Made of unique material, no rust and wear resistance, smooth surface and no fade.
They are magnetic ball bearings that you can make in different shapes or objects.
This is an amazing intellectual toy, amusing and pleasant fun.
It can improve kids hand-on ability.
The product listing that parental supervision is advised
Age: 14 years+
Description:Product Category: Magnetic CubeColor: fluorescent green，fiscolorationSize: L*W*H 3*3* 3 cm Specifications: 5MMPackage include: 216*Magnetic ballsNote:1-2cm signal might exist due to manual measurements (note: 1cm=0.39inch), please kindly understand. The colors of might differ due to different monitor settings.
Specifications of 5MM 216PCS Strong Fluorescence Discoloration Multiple Interests Glow At Night Daytime Discoloration Children Puzzle Education Decompression CollageMagnetic Balls Building Blocks Toys
