Daiwa Current and Electromagnet Futsal Robot Elementary School 6th Grade Science Experiment Materials Initial model of Futsal 2. This set of materials allows for easy and reliable comparison experiments of electromagnet strength. Batteries were inserted, but it does not work. It might be possible to get it working again if you are knowledgeable. * Junk item from 20 years ago * Box has been cut * Parts as shown in the image, with instruction manual