The Big Boom DVD
One, Two, Three BIG Booms! Volcanoes! Travel to Hawaii and visit active volcanoes. Learn how they erupt and see how lava makes the island bigger every day!Explosives! Watch an expert demolition team implode a 22-story building! Go behind-the-scenes to see how the team makes it happen.Sonic Booms! Watch supersonic jets fly faster than the speed of sound! Discover how sound waves work and how your ears hear. Recommended for: KIDS 3-10 (and their parents!)Running time: Approx 50 minutesFormat: Digitally-mastered DVD or Digital downloadDolby Digital 5.1 and Stereo Audio | Wide-Screen and Standard VideoNotes: You will be directed to Amazon.com to complete your purchase. If you purchase a digital download, the link will be sent with your Order Receipt.