Bought this for my niece for Christmas and myself one to so we both can play around with team.This is a cool little remote control spear "Ball” you will need to download the App to control it, well for a iPhone and iPad. App is super easy to use and gives you different control options to use.Controlling it on hard surface moves quick and the direction you choose, sometimes it doesn’t go the direction you want it to. This also works in carpet but movement is a little off due to the rugged…

I've owned a few Sphero products, and this one by far is the most useful, for my cat that is. My cat loves this thing! Don't know about the "STEM" value, but the it should really be sold at pet stores.It's easy to set up on you ipad or iphone, just install the app. No registrations, or pairing, so anyone with a smartphone could control it.I've only had a few problems,One, it seems to disconnect from the bluetooth while using it more often than you think it should.Two, it quickly loses…

I bought the mini for the sole purpose of messing with the cats. It is about the size of a ping pong ball and the cats are very familiar with those. The cats aren't trying to murder it, but they do love to chase it. The Mini kind of freaks them out when it chases them back. they leap straight up in the air!