Estes Rocket Engine: B6-4 Family Games your child can now take

your child can now take their ark and its inhabitants everywhere

The fun escalates as you build five high scoring cribbage hands while trying to sabotage your opponents’ hands

players begin dismantling the pyramid

It's an instant recipe for fun

The best part is – it’s fun to play and learn

Estes Rocket Engine: B6-4 Family Games your child can now takeENGINES FOR MODEL ROCKETS 3 B6 4 Engines4 Starters4 Plugs The Estes B6 4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.