Lets make this cute Rolling Lego BB-8 a reality by voting for it at https://ideas.lego.com/projects/132170 !!
This BB-8 Prototype offers a Rolling BB-8 that uses 100% Genuine Lego Parts including magnets and weights to keep BB-8's Head on top while he rolls. He would come with attachable arms, and a base station that helps demonstrate his rolling ability.
The Prototype is 100% existing Lego parts. If the idea gets 10K votes at ideas.lego.com, and Lego approves it, Lego would certain create the custom printed shell pieces.
Thank you for your interest and support of this fun Lego Idea!