Be%20able%20to%20do%20more%20tricks%20and%20stunts%20with%20this%20Duncan%20Butterfly%20Yo-Yo%20Multi-Colored%20toy.%20This%20model%20is%20designed%20with%20a%20ball-bearing%20axle%20which%20makes%20for%20smooth%20moves%20and%20a%20longer%20spin%20time.%20Built%20for%20beginners%2C%20it%20is%20also%20popular%20among%20the%20pros%20because%20of%20its%20versatility.%20This%20Duncan%20Imperial%20yo-yo%20is%20made%20of%20highly%20durable%20plastic%20material%20and%20is%20available%20in%20different%20colors.