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
I replaced the battery on my sphero SPRK+ : r/Sphero
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