4 Pieces Retro Magic Rail Twirler Flashing Gyro Wheel Classic Rail Twister Vintage Spinning Fidget Toy Magnetic Gravity Defying Stunt Toy for Adults Boys Girls

Classic rail twister: It uses the power of magnetism to mesmerizingly move the wheel along the rails with the quick flick of the wrist, all while producing a fascinating light show; Up and over, back and forth, it is hours of magical fun Funny toy while exercise motor skills: Gyro wheel will trigger teens' curiosity to learn more about physics, magnetism, and gravity, and the movement of the wrists also helps to improve their motor skills, help them stay focused, and providing stress relief. Easy to play with: Just a flick of the wrist is enough to get the fun started. Specifications: Size (approx.): Rail twirler: 26 x 5 x 3.5 cm/ 10.2 x 1.97 x 1.38 inches Spinning wheel: 5 x 5.5 x 2.5 cm/ 1.97 x 2.17 x 0.98 inches Color: red, blue, green Package includes: 4 x Magic tail twirler (the wheel contains batteries?