These blue T-shirts are 100% pre-shrunk cotton

Type 540 motor and ESC included

2 beam boomerangs

Features winglets in the side cowl details

If you're looking for jaw-dropping and awe-inspiring power for your 1/8th scale off-road vehicles

Estes Rockets - Estes Mini Bertha™ Launch Set Tires Wheels Inserts Inserts These blue T-shirts are 100%Introducing the Estes Mini Bertha Launch Set! Tailored for beginners, this miniature reincarnation of an Estes favorite offers an exciting introduction to the world of model rocketry! Powered by mini engines (13MM), the Mini Bertha can reach a max altitude of 650 feet on the recommended A10 3T engine. Watch in awe as this compact rocket soars into the sky, delivering an awe inspiring spectacle that captures the excitement of soaring through the skies!