Newest listings by Gurstelle- William
![The Art of the Catapult: Build Greek Ballistae Roman Onagers English Trebuchets And More Ancient Artillery](https://d3525k1ryd2155.cloudfront.net/h/622/339/1565339622.0.m.jpg)
The Art of the Catapult: Build Greek Ballistae Roman Onagers English Trebuchets And More Ancient Artillery
- Condition
- New
- Offered by
- The Anthropologists Closet
- Price
-
$8.95
![Backyard Ballistics : Build potato Cannons paper match rockets Cincinnati fire kites tennis ball mortors and more tynamite devices.](https://d3525k1ryd2155.cloudfront.net/h/490/243/1512243490.0.m.jpg)
Backyard Ballistics : Build potato Cannons paper match rockets Cincinnati fire kites tennis ball mortors and more tynamite devices.
- Condition
- As New
- Offered by
- E Ridge fine Books
- Price
-
$22.00
![Building Bots: Designing and Building Warrior Robots](https://d3525k1ryd2155.cloudfront.net/h/731/171/1495171731.0.m.jpg)
Building Bots: Designing and Building Warrior Robots
- Condition
- New
- Offered by
- Redux Books
- Price
-
$60.00
![Ready the Cannons!: Build Wiffle Ball Launchers Beverage Bottle Bazookas Hydro Swivel Guns and Other Artisanal Artillery](https://d3525k1ryd2155.cloudfront.net/h/239/622/1398622239.0.m.jpg)
Ready the Cannons!: Build Wiffle Ball Launchers Beverage Bottle Bazookas Hydro Swivel Guns and Other Artisanal Artillery
- Condition
- Good
- Offered by
- ThriftBooks
- Price
-
$5.99