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Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices
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Backyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, and More Dynamite Devices
Customer Rating: Average rating of 4.5/5Average rating of 4.5/5Average rating of 4.5/5Average rating of 4.5/5Average rating of 4.5/5   Reviews

Written By: William Gurstelle

Our Price: $11.53 ($16.95), You Save: $ 5.42

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Whoosh Boom Splat: The Garage Warrior's Guide to Building Projectile Shooters
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Whoosh Boom Splat: The Garage Warrior's Guide to Building Projectile Shooters
Customer Rating: Average rating of 5.0/5Average rating of 5.0/5Average rating of 5.0/5Average rating of 5.0/5Average rating of 5.0/5   Reviews

Written By: William Gurstelle

Our Price: $11.53 ($16.95), You Save: $ 5.42

Usually ships in 9 to 12 days
The Art of the Catapult: Build Greek Ballistae, Roman Onagers, English Trebuchets, and More Ancient Artillery
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The Art of the Catapult: Build Greek Ballistae, Roman Onagers, English Trebuchets, and More Ancient Artillery
Customer Rating: Average rating of 4.5/5Average rating of 4.5/5Average rating of 4.5/5Average rating of 4.5/5Average rating of 4.5/5   Reviews

Written By: William Gurstelle

Our Price: $11.53 ($16.95), You Save: $ 5.42

Usually ships in 24 hours
Building Bots: Designing and Building Warrior Robots
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Building Bots: Designing and Building Warrior Robots
Customer Rating: Average rating of 3.5/5Average rating of 3.5/5Average rating of 3.5/5Average rating of 3.5/5Average rating of 3.5/5   Reviews

Written By: William Gurstelle

Our Price: $13.57 ($19.95), You Save: $ 6.38

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Adventures from the Technology Underground: Catapults, Pulsejets, Rail Guns, Flamethrowers, Tesla Coils, Air Cannons, and the Garage Warriors Who Love Them
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Adventures from the Technology Underground: Catapults, Pulsejets, Rail Guns, Flamethrowers, Tesla Coils, Air Cannons, and the Garage Warriors Who Love Them
Customer Rating: Average rating of 3.5/5Average rating of 3.5/5Average rating of 3.5/5Average rating of 3.5/5Average rating of 3.5/5   Reviews

Written By: William Gurstelle

Our Price: $11.86 ($13.95), You Save: $ 2.09

Usually ships in 24 hours
Building Bots
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Building Bots
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Written By: William Gurstelle

Our Price: $11.86 ($13.95), You Save: $ 2.09


Adventures from the Technology Underground (Unabridged)
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Adventures from the Technology Underground (Unabridged)
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Written By: William Gurstelle

Our Price: $15.75 ($30.00), You Save: $ 14.25

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Building Bots
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Building Bots
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Written By: William Gurstelle

Our Price: $30.99 (N/A)


Building Bots: Designing and Building Warrior Robots
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Building Bots: Designing and Building Warrior Robots
Customer Rating: [ not yet rated ]   Reviews

Written By: William Gurstelle

Our Price: $30.99 (N/A)


Backyard Ballistics
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Backyard Ballistics
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Written By: William Gurstelle

Our Price: $27.88 (N/A)





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