---
product_id: 468539337
title: "A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines"
brand: "united model"
price: "$406507"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/468539337-a8-3-b4-4-b6-4-mini-bulk-pack-includes
store_origin: CO
region: Colombia
---

# Solid Fuel Manual Operation 9 Engines A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines

**Brand:** united model
**Price:** $406507
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Launch Game!

## 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?** $406507 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/468539337-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

- • **Portable Fun:** Take your rocket adventures anywhere with this compact combo pack.
- • **No Batteries Required:** Enjoy hassle-free launches with solid fuel power.
- • **Versatile Engine Selection:** Includes A8-3, B4-4, and B6-4 engines for low to high altitude adventures.
- • **Perfect for Beginners and Pros:** Ideal for first flights and seasoned rocketeers alike.
- • **Unleash Your Inner Rocket Scientist!:** Experience the thrill of flight with 9 engines designed for all skill levels.

## Overview

The United Model A8-3, B4-4, B6-4 Mini Bulk Pack includes a total of 9 engines, perfect for model rocket enthusiasts. This combo pack features three A8-3 engines for beginners, three B4-4 engines for mid-range flights, and three B6-4 engines for high altitude launches. With no batteries required and a manual operation mode, this portable set is designed for rockets weighing less than 3 ounces, making it ideal for both novice and experienced rocketeers.

## Description

A8-3, B4-4, B6-4 Mini Bulk Pack - Includes a Total of 9 Engines

## 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 |
|---------------|-------|
| Unit Count | 1.0 Count |
| Theme | Rocket |
| Toy Vehicle Form | Rocket |
| Are Batteries Required | No |
| Operation Mode | manual |
| Power Source | solid fuel |
| Additional Features | Portable |

## 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)

## 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/468539337-a8-3-b4-4-b6-4-mini-bulk-pack-includes](https://www.desertcart.co/products/468539337-a8-3-b4-4-b6-4-mini-bulk-pack-includes)

---

*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-01-22*