Tighten the string, load the stone, and siege the castle, all while learning science!
This simple cardboard device really packs a punch!
Open up the detailed step-by-step building guide and piece together twelve recycled cardboard parts to make a real working catapult.
Discover the history behind catapult technology. Learn all about how catapults were made and used before the invention of springs and rubber bands. Actually launch a projectile and startle a parent or co-worker.
Explore ancient technology with Koontz Catapult. Physics comes flying in.
A cardboard building kit to make a working catapult
Encourages fine motor skills, logic, physics understanding
Learn how ancient armies used catapults w/out springs
Some alternate spelling variations of this product:
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How much will shipping cost?
We offer $3.99 flat rate shipping on all orders shipped via UPS Ground to the contiguous United States. One item or 10 items...it's still just $3.99 for the entire order! If you'd like express shipping options, click here...
When will it be shipped?
This product is in stock and will ship today if ordered by 3:00 p.m. CST.