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Balloon Trees
- Letto da: Katharine Hall
- Durata: 2 min
- Categorie: Audiolibri per bambini, Scienza e tecnologia
Sintesi dell'editore
Ever wonder how a balloon is made? Follow the journey of a balloon from its beginnings as gooey sap in a tree to its completion at a rubber factory. You'll be surprised to discover what a balloon started out as and how it becomes the bright, air-filled decoration that you enjoy today.
©2013 Danna Smith (P)2015 Arbordale Publishing