In the bath or out, children ages 6-8 will agree that the tub is a cool "laboratory" for carrying out experiments that are gallons of fun. Make a "wave machine," a water cannon that blasts mind-boggling explosions of liquid; zippy hydroplanes--or peer through periscopes and prepare perfect bubble solution. Every page bursts with brilliant drawings, and loads of photographs capture delighted-looking kids carrying out the experiments, and display the...