Slap it with your hand. Slam it on the ground. Either method powers the foam rocket into the air with blazing speedup to 50 feet high! The SLAP ROCKET, a new addition to Geospace's popular Pump Rocket family is a soft foam Flying Rocket with a unique slap pump-action launching system that kids find endlessly entertaining. They simply load the included soft, safe foam rocket onto the launcher, grasp it firmly, and use their other hand to either push or slap the soft plastic bellows plunger at the base. For even longer flights, slam the plunger onto any firm surface. Colors are assorted, please allow us to choose for you.