New Cool Stuff Fuzzy Worm Magic Toys Children Magic Tricks Games Mischievous Props Cat Wand Toy Boys And Girls Fun for Birthday USD 3.87 / piece /lot 1

Adult Stress Relief Metal Toy Optical Illumination Rotary Gyro Desktop Office Table Decoration Hypnotic Toy Antistress Gyroscope USD 5.67 / piece /lot 1

Mini Magic Metal Gyro Gift 2020 New Creative Toy Spinning Top Inception For Exquisite Collection Decor Birthday 28MM USD 3.86 / piece /lot 1

Mushroom Head Metal Gyro Fidget Ring Antistress for Children Simple Dimple Fidgets Hand Spinner Anti Stress Popite Anti-stress USD 5.46 / bag /lot 1

 

Science experiment electromagnetic Induction power train kids's science and technology STEM Scientific maglev train teaching

Principle: the coil is energized to generate a magnetic area, and the identical intercourse repels one another. When the magnets adsorbed on each ends of the battery enter the coil, a magnetic area is generated within the coil, which attracts and repels with the electromagnet, and the battery can transfer rapidly.

Power supply: AAA battery (not included)

One order for one set

Material: Metal + Magnet components

Package included:1 coil, 4 magnets