Estes B6-4 Rocket Engine (Pack of 3) preschool books The player to their left

The player to their left then rolls the die & the game continues like this

Includes one doodle board with rubber clip and one attached stylus so there's no worry of it getting lost

Curious kids have a blast learning how projectiles work and building their own catapults

Assembled Dimensions: Length - 56"

This open-ended kit contains over 1

Estes B6-4 Rocket Engine (Pack of 3) preschool books The player to their leftThe Estes B6 4 is a 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.