Thanks to my fellow classmate:
for posting this video about
The really amazing part is when it is thrown into the water (it is waterproof) and it just keeps going. And the good new is it only costs $79.00 for Sphero Original while Sphero 2.0 costs $120.00 with the covers costing $15.00.
Sphero 2.0 rolls at speeds of up to 7 feet per second. It pairs to your device via Bluetooth with a range of up to 100 feet and is powered by induction charging.
Sphero Original rolls at speeds of over 3 feet per second. It pairs to your device via Bluetooth with a range of over 50 feet. It is also powered by induction charging.