This amazing handmade lighting kit features 61 individual LEDs.
It is powered via USB and has 2 USB plugs.
Glowbricks recommends the purchase of a 4 port USB hub.
These can be found here
USB power is the same as you would use from your phone charger, computer or rechargeable battery bank. However if you would like to use AA or AAA power you can find battery to USB packs here