Electromagnetic Circuit Board


Visual demonstration of the electromagnetic field, compasses placed around a wire coil in the center of the circuit board shows an immediate and drastic change in direction when the board is turned on. Without battery, with instruction manual.

PH41158

Product # Quantity Add To Enquiry
PH41158

Visual demonstration of the electromagnetic field, compasses placed around a wire coil in the center of the circuit board shows an immediate and drastic change in direction when the board is turned on. Without battery, with instruction manual.

SKU: PH41158 Category: