Bring much fun: consist of 2 pieces of 2.16 inches rotating tops, these luminous rail twister toys are easy to play with, you just move your wrist start playing; The gyro toys attract plentiful boys girls thanks to their fun, young guys are able to experience magnetism by playing with magnetic yoyo toysFlashing gyro wheel: when the rotating wheel rotates along the track, the LED light will automatically light up, the light will be more shiny in the dark, your little ones can use this charming luminous toy even if they are lying in bed at night, which can stimulate their imagination as well as help them relax fall asleep fasterCreates a relaxing effect: the fascinating lighting effect scroll back forth of rotating toys can not only attract little boys girls, but also have soothing effects that help inhibit excessive activity, these cute toys can bring your little guys hours of fun, which make them concentrate on vintage toys so that they will not desire to run aroundQuality toys: the guide rails of the rotating toy are well aligned are equipped with LEDs that will not short-circuit prematurely; Magnetic traction makes the gyro wheel stick to the metal track under a small force roll on the track without falling; These 2 rotating toys can emit red blue lights respectively, bringing double fun to youNovel gifts: there are 2 magnetic toys for you; These classic retro-inspired rotating toys are classic chic gifts for boys girls aged 12 above, they will be captivated by cherish the yoyo toys; Sensory toys are nice as Christmas or birthday gifts Features: Strong function: These flash toys are safe silent. While bringing you happiness, they can help your boys or girls exercise perception practical skills. The magnetism displayed by these toys contains simple principles, you are able to give a simple explanation to your little guys so as to help them further underst magnetism gravity, so that they can gain knowledge while playing. Durable practical: As the rotating top rotates, the LED will automatically turn on to provide more charming lighting effects. It is very durable, even without batteries, the rotating wheel can be applied normally (only the LED light does not light). Specifications: Color: red, blue Size (approximately): Rail twirler: 26 x 5 x 3.5 cm/ 10.2 x 1.97 x 1.38 inches Rotating wheel: 5 x 5.5 x 2.5 cm/ 1.97 x 2.17 x 0.98 inches Package includes: 2 x Magic tail twirlers (the wheel contains batteries) Tips: Manual measurement, please allow a slight dimensional error of the item. Due to different screen displays, the actual colors may be slightly different. These toys fit for people over 12 years old.