HANDS-ON LEARNING: Experience an incredible display of interactive light that you control! Simply place your fingertips on the glass sphere to observe the lightning-like plasma that follows your every move. It's a dazzling 360 degrees light show, brought to you by science! STEM Toy suitable for big kids age 14+ years. Portable design ideal for table or shelf display. Dual power modes: batteries (not included) or USB (included). Comes with a double sided poster.
