Inside the droid you've been looking for:Tear-down of the Sphero BB-8 toy
How to make BB-8 Droid from Starwars - Papercraft. - YouTube
Sphero is done making licensed Disney bots like BB-8 and R2-D2 | Engadget
Sphero's BB-8 droid robot MIA at big toy stores – The Denver Post
Sphero BB-8 3D model - Electronics on Hum3D
Amazon.com: Sphero Mini (Blue) App-Enabled Programmable Robot Ball - STEM Educational Toy for Kids Ages 8 & Up - Drive, Game & Code with Play & Edu App, 1.57" : Toys & Games
Star Wars BB-8 Designer Sphero Raises Another $45M From Mercato, Disney And More | TechCrunch
BB-8 | Headhunter's Holosuite Wiki | Fandom
Review: Sphero BB-8 Special Edition is the droid you are looking for
Review: BB-8 Hero Droid by Spin Master - Kidskintha
Open Source, 3D Printed BB-8 Droid - 3D Printing Industry
Sphero on the Engineering Behind their New Star Wars Products - Fictiv