Further Scientific Mayhem! with the Sugimori Sisters - The Sugimori Sisters, #2

Ellen is a sixth-grader with normal sixth-grader problems. Risako is a first-grader with a collection of scientific gadgets all calibrated to solve them. If only the calibration weren't so off-kilter. From a misdirected teleporter to an irritating shrink ray, from an uncooperative chemistry set to a camera that does more than take pictures, these wonky gadgets will have Ellen and Risako using all their wits to keep their parents from grounding them!