A:AnswerApproximately one full hour, for every three hour charge. I'm satisfied with that ratio. However, you can (and should) keep charging him while enjoying the Watch with Me mode.
A:AnswerBB-8 is approximately 5" tall by 4" wide. Definitely not to scale as seen in the film, but don't let that stop you; it's an outstanding piece of tech/toy.
A:AnswerIt’s winter, so I have not tried the lawn, but I don’t think I would want too. It transitions from hard wood to carpet no problem. Wood deck also no problem. I did not do concrete because I don’t want to scratch it. And I probably wouldn’t try the lawn because the manual says to keep it clean.
