The PixelWhip form FibreFlies can be used for excellent effect creating a fluid moving light show.
The individual fibres are cut to varying lengths meaning you get a fuller colour the entire length of the whip. The head is detachable meaning it can easily be transported or stored and is fitted with a radial bearing meaning you get full and fluid motion making the movements smoother.
This is the version 4 which comes with 17 colour modes:
8 Solid Colours – Red, Blue, Green, Magenta, Cyan, Yellow, Pure White, RBG, Shimmering White
Rainbow Rave Strobe
9 Crossfade Modes
The whips comes with a rechargeable battery and charger, it uses a single 18650 Li-on battery and you need to ensure if buying extra batteries that they have a protected circuit, non-protected versions can damage the whip.
Price is per whip.