Made of Alloy-- that allows for stable and balanced high speed routinesUnresponsive yoyo--Style:String Trick (1A, 3A, 5A), this yoyo is not just for playing, it is also an intellectual toy, it can improve players' coordination, flexibility and strengthDurable --durable recovery system and long idling time, designed to fine motor skills and eye-hand coordinationFor Age 6 up-- way to keep the kids off the Internet and off from the sofa in front of the Small size to take out door,polishing rim of surfaceDesigned to fine motor skills and eye-hand coordinationIt is not daily entertainment, also for acrobaticperformance with most entertaining fancyIt can cultivate the , creativity and rapid reactionabilityA perfect toy , friends, families, etcBody Shape :ButterflyWeight:64gDiameter:47.4mmWidth:41mmGap Width:4.7mmBearing Size:Size C ()Bearing: bearingBody Material:Alloy6061Response: Yellow Silicon PadTwist-apart :Twist-ApartString Length:43.31in/110cmStrings(Note: Random color, 't accept the specified color. )colour:blackMaterial:alloyPackage Contents:1 * N8 YOYO Ball5 * Strings1 * Glove1 * Storage bag