This are the VSR2 Ball Head Rockets by VIVID Pyrotechnics , 6 different effects with 6 different tail lift with 40g of NEC in each Rocket and with LONG hang time. Introducing the explosive VSR2 Ball Head Rockets from VIVID Pyrotechnics – just one of the dynamic members in the VSR Rocket family (which also includes VSR3 Rocket pack and VSR4 Rocket pack). This pack packs a punch with not one, but six unique effects and six distinct tail lifts. And with a powerful 40g of NEC in each rocket plus an impressive hang time, the sky is the limit for any pyrotechnic enthusiast looking to create an unforgettable show.