iBuckyBalls Executive Edition D 5mm 216- Black(216 Pieces)

If you are all about experimenting with innovative designs, iBuckyballs Executive Edition D 5mm 216 - Black is just the toy for you. This toy is made up of 216+4 D 5mm powerful rare earth magnets that can be manipulated, mangled, crushed, and distorted to create every shape and form you can think of. Stress Relief These magnetic balls make a bubble-wrap like "knack" sound when pressed. This soothing sound coupled with the tactile sensation it offers makes this toy a great stress-reliever. Endless Innovation & Educational Benefits Keep your hands busy and indulge your mind by putting these balls together to form any pattern and shape you can think of. In case you are not satisfied with your present creation, simply crush the balls and start afresh. Besides staying creative, this toy will also help you to better understand geometry and math.