Drilled Ball Set, 1inch Diameter, set of 12, erfect for conducting own pendulum experiments, 3mm hole is drilled down the center of each ball, Comes in a plastic container with foam padding to hold the drilled balls firmly in place
Kit for Common colds, the flu, and respiratory allergies have similar symptoms but are treated with different medicines. Conduct simulated flu tests, analyze labels from over-the-counter medicines, appropriate for patients, Single, Time: 2-3/45min class periods