Coulombmeter With Rechargeable Battery, Power Supply: 9 V Rechargeable Battery Via Dc Co-Axial Power Socket, Load Current:Max. 500 Ma, Connectors: 4-mm Safety Sockets, Dimensions: 105 X 75 X 35 mm3 Approx, Consumption Can Be Displayed By Means Of A Voltmeter.
Diy Maglev Kit Pro 80Cm Track, Build your own Quantum Levitation maglev track, Experience frictionless motion in both levitation and suspension. Kit includes: Quantum Standard Levitator medium Plastic tweezers 300 NdFeB block magnets, Stainless steel track 80cm