Electrostatic Kit IV and Infusion Great for mental mathematics with

Great for mental mathematics with negative numbers

Comes with an easy hang string attachment + 1x Dry Erase Pen with Eraser & 2 magnets

3 in (38 cm x 19

Spinal Cord of Humans

and gas detection

Electrostatic Kit IV and Infusion Great for mental mathematics withElectrostatic Kit This kit is ideal for small group experiments in electrostatics. The set is built around the special, dual purpose electroscope, which in addition to being useful for general electrostatic experiments, is capable of performing measurements of the activity of weak radio active materials. Positive and negative charges can be produced with included acetate strips and woolen cloths. A great variety of experiments can be performed