Estes 1913 Zolt & Volt Air Rockets, 2 Pack – Fully Assembled, for T-Bolt Air Rocket Launch System Configurable with powerful arbitrary waveform

Configurable with powerful arbitrary waveform editing software easy wave

Easy to operate tester

Kit includes all of the parts needed to assemble the chassis

Good compatibility and biodegradability

The fingerpaints wash from skin and most fabrics

Estes 1913 Zolt & Volt Air Rockets, 2 Pack – Fully Assembled, for T-Bolt Air Rocket Launch System Configurable with powerful arbitrary waveformSet of 2 fully assembled air rockets Requires 1900 T Bolt launch system (not included) No Assembly Required More air rockets = more fun! No assembly required! Nothing needed but air! Designed to work with the T Bolt Air Rocket Launch Set, grab these two and have contests with your friends.