Power Kites 2.0 and 3.0 Power Kit Trainers Lot of Two. Brand New Never & Used. You are bidding on two kites two different sizes kite one is a trainer 2.0 power kit which is used but in good condition kite number two is a power kite 3.0 which is brand new. These kites are powerful so not for children. You definitely need adult supervision. You put the kites to your wrist and let the air pull you up using the handle and the wind to drive you. These kites have the power to lift you off the ground there are a lot of fun, but must be used safely. These guys are used for basic training to do wind sailing in parasailing, but anyone could use them.