Levitating globe

Levitating globe is a display of the balance of force. The weight of the globe is balanced by the magnetic attraction force pulling upward. For geography, it can be used to teach how the Earth rotates. In science it shows frictionless motion. It can also be an amazing display at home and in office.

(Click the picture to view a YouTube clip.)

8 inch

Plasma ball

Plasma ball produces beautiful display of light from high-frequency alternating current at approximately 35 kHz, 2–5 kV, generated by a high-voltage transformer.

(Click the picture to view a YouTube clip.)

S$60.00