---
product_id: 620901920
title: "Catapult Engineering STEM Maker Kit, Build 6 Models of Unique Medieval Machines, Explore Mechanical Physics, Includes Safe Foam Balls & Soft-Tipped Projectiles, Suitable for Ages 8+"
brand: "thames & kosmos"
price: "NT$2328"
currency: TWD
in_stock: true
reviews_count: 12
category: "Thames & Kosmos"
url: https://www.desertcart.tw/products/620901920-catapult-engineering-stem-maker-kit-build-6-models-of-unique
store_origin: TW
region: Taiwan
---

# Includes safe foam balls & target blocks 32-page full-color illustrated manual 6 buildable medieval siege models Catapult Engineering STEM Maker Kit, Build 6 Models of Unique Medieval Machines, Explore Mechanical Physics, Includes Safe Foam Balls & Soft-Tipped Projectiles, Suitable for Ages 8+

**Brand:** thames & kosmos
**Price:** NT$2328
**Availability:** ✅ In Stock

## Summary

> 🏰 Launch your STEM skills into the stratosphere with medieval mastery!

## Quick Answers

- **What is this?** Catapult Engineering STEM Maker Kit, Build 6 Models of Unique Medieval Machines, Explore Mechanical Physics, Includes Safe Foam Balls & Soft-Tipped Projectiles, Suitable for Ages 8+ by thames & kosmos
- **How much does it cost?** NT$2328 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/620901920-catapult-engineering-stem-maker-kit-build-6-models-of-unique)

## Best For

- thames & kosmos enthusiasts

## Why This Product

- Trusted thames & kosmos brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Physics in Action:** Explore force, energy, motion, and trajectory through engaging, real-world experiments.
- • **Safe & Smart Play:** Soft foam projectiles and secure design ensure fun without risk—perfect for curious minds aged 8+.
- • **Step-by-Step Success:** Detailed, vibrant manual guides every build and experiment, making complex concepts accessible and fun.
- • **Creative Castle Challenge:** Transform the box into a customizable castle and test your aim with included cardboard targets.
- • **Master Medieval Mechanics:** Build 6 authentic siege engines from catapults to ballistas, blending history with hands-on STEM.

## Overview

The Thames & Kosmos Catapult Engineering STEM Maker Kit offers kids 8+ a hands-on journey into medieval siege technology and physics. With six buildable models, a full-color manual, safe foam projectiles, and interactive targets, it combines historical engineering with modern STEM learning in a fun, safe, and creative package.

## Description

Investigate physics using technology from medieval times! Build six sleek, functional models of catapults, trebuchets, and launchers. Use these classic siege weapons to conduct simple experiments that demonstrate important physics and engineering topics like force, energy, motion, and trajectory. The included lightweight foam balls and soft darts are safe and effective projectiles to fling at your cardboard “castle” and other targets! The 32-page, full-color manual has illustrated step-by-step instructions for building the models and conducting the experiments.

Review: Stem catapult - Bought for my kids Christmas. They haven’t used it yet, but the price is great and my kiddos are excited to use it!
Review: Great STEM toy! - Bought this for my 10 year old grandson and he loves it! It’s very well made and I was impressed at how sturdy the pieces are and the grandson had a blast constructing the various options in designs that were in the kit.

## Features

- Build six sleek, functional toy models of catapults, trebuchets, and launchers.
- Models include classic seige devices from medieval times: crossbow, reverse-draw crossbow, onager, catapult, trebuchet, and ballista.
- The 32-page, full-color illustrated manual includes detailed assembly instructions as well as experiments that demonstrate physics and engineering topics like force, energy, motion, and trajectory.
- Specially designed and tested for safety, the kit includes soft foam balls and foam-tipped projectiles; building components are designed to allow only the included projectiles to be inserted.
- Bonus activities! Also includes cardboard target blocks to test your aim, and the box itself transforms into a castle kids can color and decorate to set the scene for their medieval physics adventures!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRGN5XDQ |
| Best Sellers Rank | #57,207 in Toys & Games ( See Top 100 in Toys & Games ) #535 in Educational Science Kits |
| Customer Reviews | 4.4 4.4 out of 5 stars (90) |
| Item Weight | 14.4 ounces |
| Item model number | 550056 |
| Manufacturer | Thames & Kosmos |
| Manufacturer recommended age | 8 years and up |
| Product Dimensions | 10 x 1.7 x 11 inches |
| Release date | May 15, 2024 |

## Images

![Catapult Engineering STEM Maker Kit, Build 6 Models of Unique Medieval Machines, Explore Mechanical Physics, Includes Safe Foam Balls & Soft-Tipped Projectiles, Suitable for Ages 8+ - Image 1](https://m.media-amazon.com/images/I/81Z-BvHaYYL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Stem catapult
*by T***I on December 26, 2025*

Bought for my kids Christmas. They haven’t used it yet, but the price is great and my kiddos are excited to use it!

### ⭐⭐⭐⭐⭐ Great STEM toy!
*by A***R on August 15, 2025*

Bought this for my 10 year old grandson and he loves it! It’s very well made and I was impressed at how sturdy the pieces are and the grandson had a blast constructing the various options in designs that were in the kit.

### ⭐⭐⭐⭐ Cross-bow. Surprisingly sturdy and capable. Needs adult to assemble. Much fun.
*by L***S on November 4, 2025*

Cross-bow. Difficult to assemble. Instructions don't show recognition of elements that are hard to assemble. Perspectives shown in illustrations are not always the ones that would be most informative. That said, the crossbow is exceptionally sturdy and capable. My 6-year-old grandson was delighted. Recommended

## Frequently Bought Together

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-21*