Stress Release Desktop Punching Ball, Tabletop Boxing Punching Bag Your students will: observe the

Your students will: observe the varying colors of bacteria grown under different temperature conditions

Wheel Dimensions: 67mm Diameter

Maximum input signal frequency: 20MHz

with long controlled distance

ergonomically designed

Stress Release Desktop Punching Ball, Tabletop Boxing Punching Bag Your students will: observe theHaving a bad day? Get stress relief for the home or office with this tabletop punching bag! Features a heavy duty spring that bounces the punching ball right back for more punishment Strong suction cup base keeps the punching ball anchored in place while you punch away Durable to withstand any amount of executive venting Quick and easy to set up and an air pump is included (NOTE: pin for pump is stored in the stem of the plunger) Having a bad day? Get