I’ve listed some online shops for hoops, LED hoops, fire hoops or tubing for you.

Mood Hoops (USA)
www.moodhoops.com
Beginner hoops, LED hoops, fire toys, polypro hoops, tubing for hoop making and more!
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Hoopology (USA)
www.hoopologie.com
Beginner hoops, polypro hoops, fire hoops, tape, tubing for hoop making and more!
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Hoopspin (United Kingdom)
www.hoopspin.co.uk  
Beginner hoops, polypro hoops, tubing for hoop making and more! 
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One Stop Hoop Shop (United Kingdom)
www.onestophoopshop.co.uk
Beginner hoops, polypro hoops, tubing for hoop making and more!