Thames & Kosmos Catapults & Crossbows

What can a medieval type of weapon from the middle ages teach kids about physics? As it turns out, a lot!

Catapults, crossbows, and trebuchets are classic siege weapons that were used in medieval times. Today, these devices can be used for teaching physics, specifically demonstrating physics lessons in force, energy, motion, and fling projectiles!

Far more than a playset, this Catapults and Crossbows kit from Thames & Kosmos covers physics concepts related to:

• Elasticity
• Potential & kinetic energy
• Vectors
• Gravity & air resistance
• Speed, velocity & acceleration
• Mass & weight
• Gravitational potential energy
• Hooke's Law
• and more!

What's included in Catapults and Crossbows?

• 100+ pieces to build and launch your creations
• 10 working models of catapults, crossbows, and trebuchets
• 10 exciting experiments (one for each model)
• 32-page, full-color manual with step-by-step instructions

What's a crossbow?
A crossbow is like a bow and arrow, but its bow is mounted horizontally on a stock.

What's a catapult?
A catapult is another medieval ballistic device. Using mechanical rubber bands and counterweights, it flings projectiles into the air.

Why will kids love Catapults & Crossbows?
Kids will build and experiment with five different types of crossbows and catapults. Take aim, load and launch the safe foam-tip bolt (which has a special cross-section), and then watch it fly! As kids launch their bolts, they'll learn about how energy is stored in the stretched rubber band when pulled backward. So thrilling that students won't realize they're learning about precision, accuracy, and more!

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More Information

• Catapults & Crossbows Kit Manual Sample (PDF download)

Catapults & Crossbows Kit

• 100+ building pieces
• Build 10 models
• 32-page illustrated, step-by-step experiment manual