---
product_id: 568445126
title: "A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines"
brand: "united model"
price: "$29594"
currency: COP
in_stock: false
url: https://www.desertcart.co/products/568445126-a8-3-b4-4-b6-4-mini-bulk-pack-includes
store_origin: CO
region: Colombia
---

# B6-4 delivers high altitude boost A8-3 for rockets <3 oz 9 engines total for versatile flights A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines

**Brand:** united model
**Price:** $29594
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate your launch game with the ultimate 9-engine power pack!

## Quick Answers

- **What is this?** A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines by united model
- **How much does it cost?** $29594 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/568445126-a8-3-b4-4-b6-4-mini-bulk-pack-includes)

## Best For

- united model enthusiasts

## Why This Product

- Trusted united model brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bulk Pack Value:** Save time and money stocking up on essential engines for all your model rocket adventures
- • **Complete Flight Arsenal:** 9 engines covering beginner to advanced flights—never run out mid-launch
- • **Starter & Plug Included:** Everything you need to ignite and safely reuse your engines, no extra purchases required
- • **Precision Altitude Control:** A8-3, B4-4, and B6-4 engines tailored for rockets from ultra-light to heavier builds
- • **Optimized for Learning & Performance:** Perfect for mastering flight dynamics with incremental altitude gains

## Overview

This mini bulk pack includes nine model rocket engines—three each of A8-3, B4-4, and B6-4—designed for low to medium altitude flights. Ideal for rockets weighing from under 3 ounces to heavier models, it comes complete with starters and plugs, making it a comprehensive solution for hobbyists seeking reliable, versatile propulsion options.

## Description

Buy United Model A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- Combo pack includes 9 engines total — three A8-3, three B4-4, and three B6-4 engines. Starters and plugs are included. NOTE: Please verify that these engines are compatible with your model rocket before purchasing.
- All the engines you need for low and medium altitude model rocket flights!
- The A8-3 is a single stage engine designed for flights in rockets weighing less than 3 ounces, including the engine. It is ideal for first flights and small flying fields as you get used to how your rocket will perform and where it will land in your flying field.
- The B4-4 engine is suitable for use in rockets weighing roughly between 1 and 2 ounces, which is typical of most rockets being 1 to 2 feet tall. It will almost double your altitude compared to the A8-3.
- The B6-4 is a medium impulse engine that delivers high altitude flights. It works great for launching larger, heavier rockets, too

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer recommended age | 16 years and up |
| Manufacturer reference | 980206 |
| Batteries Required? | No |
| Batteries Included? | No |
| ASIN | B09QP9544K |

## Images

![A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines - Image 1](https://m.media-amazon.com/images/I/91gJoKxs+WL.jpg)
![A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines - Image 2](https://m.media-amazon.com/images/I/81b5gvj2a2L.jpg)
![A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines - Image 3](https://m.media-amazon.com/images/I/71fpz9oNNZL.jpg)
![A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines - Image 4](https://m.media-amazon.com/images/I/51FoGm4xjOL.jpg)

## Frequently Bought Together

- United Model A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines
- Estes 2274 Recovery Wadding
- Estes 1491 Taser Rocket Launch Set, Beginner Flying-Rocket-Model Building Kit for Ages 10+, Includes Launch Pad System

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**Shop now:** [https://www.desertcart.co/products/568445126-a8-3-b4-4-b6-4-mini-bulk-pack-includes](https://www.desertcart.co/products/568445126-a8-3-b4-4-b6-4-mini-bulk-pack-includes)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-03-05*