Despite the ambitious name, The Chaos Tower does look like good clean fun. I would wager that the laws of motion are strictly obeyed when you launch the balls into whatever marble-maze you may construct with this kit. It comes with a small outlet-powered motor to set any number of diabolical doomsday devices into motion.
Winner of numerous toy, parenting and teacher awards -- including "Toy of the Year", "Parents' Choice" and "Teachers' Choice" -- their product tag line is...and I'm not making this up...Bring on the chaos and bring on the fun.
So be it, then. Check out the Chaos Tower and bring on the chaos!