Build three remarkable machines: a ballista (an enormous crossbow), a bombard (an early form of the Cannon) and a mighty catapult.
NATIONAL GEOGRAPHIC - Da Vinci's DIY Science & Engineering Construction Kit Build Three Functioning Wooden Models: Catapult, Bombard & Ballista
$28.99
- SKU:
- COB460154
- UPC:
- 816448024979
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.