Balloon rocket science kit [kit] Yonemura Denjiro teacher (with magnifying glass) (japan import)

Description

Balloon is transformed into a rocket! It is safe for you to hit because it made of balloons. In this set, 10 this the balloon rocket of 50cm length, 5 this the balloon rocket 100cm length, You can make a super huge rocket of about 4m. Let's play you can skip in the park!