Meet the LEGO Boost Creative Toolbox: another educational set that enables your kids to build and program their own robots. It comes with 840+ pieces, including a motor and color/distance sensor. It comes with Bluetooth connectivity. Building instructions for 5 models are included.
Your kids get to build Vernie, Guitar 4000, MTR 4, Auto Builder, and Frankie the Cat. A free app is available to code behaviors into these models.