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Fyber Kit Accessory

$65.00 Regular price
Fiber Type


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Bitwhip Accessory

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Fyber Kit™ Accessory

The Fyber Kit Accessory is a fiber optic costume kit that is perfect for any DIY costume or creative project. It's made up of 360 .75mm end-glow fiber optic fibers that are all 6 feet long. You can cut the fibers to your desired length and they will have the same lighting effect where cut.

The fiber optics are made of high-grade durable material, so they’ll hold up to all kinds of wear and tear. If you’re a futuristic costume designer or prop-maker, you’ll love the infinite possibilities of the Fyber Kit!

This is a twist-on accessory for the RGB Critter BT flashlight. The RGB Critter is NOT included with this product.


Fyber Kit Accessory Specs

  • .75mm end glow fibers (tips glow)
  • 360 fibers
  • All fibers 6 feet long
  • Can be cut to the desired length


Create Your Own Fiber Optic Costume Using The Fyber Kit Package (instruction links below)


Sparkle Fibers Available Now!

Sparkle fibers show tiny twinkling lights along the length of the end glow fibers. Sparkle Fibers are more prone to breaking. Please be gentle with the Sparkle Fiber version of the Fyber Kit to avoid unwanted breakage of fibers. Check out the video below for an example of these 2 fiber options.


The Fyber Kit is similar to the BitWhip, but it has more fibers (360 vs 140), all of the fibers are 6 feet in length, and the fibers do not rotate.

Customer Reviews

Based on 20 reviews
Kelly Schroeder
ONE major thing missing.

Hi, I really really like my bitwhip. Its really well made and strong. The only thing that REALLY upset me to the point of me wanting to return it was not realising (not your fault but my own) it did not have a 360 swivel head. This makes the many fibers really hard to lightdance with. Not impossible but just not as enjoyable. Otherwise its a great whip. I will keep it and still use it but probably not to dance with, sadly.

thanks a lot. Please do make a swivel head for the unit :)

Hey Kelly!

Thanks for your feedback. The Fyber Kit is designed for customing purposes and for this reason we don't include a swivel head with this fiber optic bundle. We recommend taking a look at the BitWhip Package and BitWhip Accessories. All of these products are design for flow arts and include a built-in swivel bearing that allows your fibers to rotate.

Here are links to the products:

Dominique Declerck
Stunning and easy to use

I ordered the Fyber kit to work into my next costume piece and I am excited to see the results. The kit had everything I needed and the online instructions were easy to understand.

collectif ART'MONIE
Féérie nocturne

avec les RGB Criiter 2.0, nous avons réalisé des costumes surprenants, hypnotisants. Les lumières apportent du volume aux costumes de Galaktika.
Il nous reste à programmé des effets pour ajuster au mieux la lumière à nos personnages, ce qu'aucune autre lampe de cette qualité ne peux offrir.

Meghan Reeves
Fantastic Quality

I purchased 2 fyber kits for my Halloween costume and the quality is amazing! The color range is so cool and I can’t wait to wear it to my big party!

Rachel Long
Mega fiber head

Received new 300+ fiber head and it is STUNNING! So full and vibrant. LOVE!!