Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Brighten Up Toys & Games

Products

Products

Brighten Up Toys & Games

Estes Rocket Engine: B4-4

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

CA$22.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

ENGINES FOR MODEL ROCKETS
3 – B4-4 Engines
4 – Starters
4 – Plugs
The Estes B4-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, i...

Delivery & Returns

Brighten Up Toys & Games

5 (54)

You might also like

Estes B6-2 Model Rocket Engines

Estes Rockets

B6-2 Engines

(4)

Brighten Up Toys & Games

Estes Rocket Engine: C6-7

Superstition Hobbies

Estes B6-6 Model Rocket Engine (3)

Everdon Hobbies

1615 Estes C6-7 engine

Estes Rockets - C6 - 0 Model Rocket Engines (3pk) - Hobby Recreation Products

Hobby Recreation Products

Estes Rockets - C6-0 Model Rocket Engines (3pk)

Estes F15-6 Model Rocket Engines

Estes Rockets

F15-6 Engines (29 mm)

(29)

Estes A10-3T Model Rocket Engines

Estes Rockets

A10-3T Engines

(27)

Eds Hobby Shop

Estes B6-4 Rocket Engine Educator Pack 24Pc

Estes F15-8 Model Rocket Engines

Estes Rockets

F15-8 Engines (29 mm)

(17)

Estes C11-0 Model Rocket Engines

Estes Rockets

C11-0 Engines

(2)

Estes A10-0T 13mm Model Rocket Engines

Estes Rockets

A10-0T Engines

(4)

Brighten Up Toys & Games

Kenworth W-900 Dump Truck (1/25)

Everdon Hobbies

1522 Estes C11-3 engine

Hobby and Toy Central

C6-3 Rocket Engine (Sold in store only)

Everdon Hobbies

10031 Estes F15-4 Engine (29 mm)

Brighten Up Toys & Games

Estes Rocket Engine: B6-4

Brighten Up Toys & Games

Estes B6-0 Model Rocket Engine

Estes B6-4 Model Rocket Engines

Estes Rockets

B6-4 Engines

(35)

Eagle Peak Store

Engines - B6-4 Estes Model Rocket Engines

Estes F15-2 29mm Model Rocket Engines

Estes Rockets

F15-2 Engines (29 mm)

(5)

Estes D12-3 Model Rocket Engines

Estes Rockets

D12-3 Engines

(26)

Estes C6-3 Model Rocket Engines

Estes Rockets

C6-3 Engines

(31)

Estes A3-2T Mini 13mm Model Rocket Engines

Estes Rockets

A3-2T Engines

(2)

Estes A8-3 Rocket Engines Package

Estes Rockets

A8-3 Engines

(39)

Estes B6-0 Model Rocket Engines

Estes Rockets

B6-0 Engines

(1)

Dinosaur playsets

Dinosaur playsets

Puzzles, figures, and fossil dig kits.

Brighten Up Toys & Games

Estes Model Rocket Launch Set: Alpha III

SciencePurchase

Estes 1601 B4-2 Model Rocket Engine Pack – 3 Engines with Starters & Plugs

Estes A3-4T Engine Flight Pack

Estes Rockets

A3-4T Engine Flight Pack

(2)

Estes C11-7 Model Rocket Engines

Estes Rockets

C11-7 Engines

(1)

Travel-ready sticker kits

Travel-ready sticker kits

Sticker scenes, water reveals, and craft kits.

Brighten Up Toys & Games

Estes Rocket Engine: C6-0

Superstition Hobbies

Estes B4-4 Model Rocket Engine (3)

Everdon Hobbies

1614 Estes C6-5 engine

Superstition Hobbies

Estes B6-4 Model Rocket Engine (3)

Everdon Hobbies

1588 Estes D12-7 engine

(1)

Estes C6-0 Model Rocket Engines

Estes Rockets

C6-0 Engines

(15)

Everdon Hobbies

1601 Estes B4-2 engine

Estes C5-3 Model Rocket Engines

Estes Rockets

C5-3 Engines

(37)

Estes F15-0 Rocket Engines

Estes Rockets

F15-0 Engines (29 mm)

(20)

Estes C6-5 Model Rocket Engines

Estes Rockets

C6-5 Engines

(43)

Brighten Up Toys & Games

Estes Model Rocket Launch Set: Rascal & HiJinks

17% off

Factory Direct Hobbies

Estes Rockets 1601 B4-2 Engines 3pk

Estes A8-5 Model Rocket Engines

Estes Rockets

A8-5 Engines

(6)

Electronix Express

Estes B6-4 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1606)

Everdon Hobbies

1606 Estes B6-4 engine

Estes B4-2 Model Rocket Engines

Estes Rockets

B4-2 Engines

(4)

Estes E16-4 Model Rocket Engines

Estes Rockets

E16-4 Engines (29 mm)

(13)

Estes C11-5 Model Rocket Engines

Estes Rockets

C11-5 Engines

(6)

New Century Rocketry

Estes E16

Rainy day marble runs

Rainy day marble runs

Magnetic runs, wooden tracks, and launchers.

Everdon Hobbies

10052 Estes E16-0 Engine (29 mm)

Estes A3-6T Mini Model Rocket Engines

Estes Rockets

A3-6T Engines

Everdon Hobbies

1602 Estes B4-4 engine

(1)

Estes A8-0 model rocket engines, 3-pack with starters & plugs, flammable warning label visible

Aussie Hobbies

Estes A8-0 Engines

Tony's Hobbies

ESTES 1607 B6-6 Rocket Engines

Estes B6-4 Engine Kit (EST0803) Amazon

Friendly Hobbies

Estes B6-4 Engine Kit (EST0803)

Estes C6-7 Model Rocket Engines

Estes Rockets

C6-7 Engines

(20)

Estes D12-5 Model Rocket Engines

Estes Rockets

D12-5 Engines

(43)

Hobby and Toy Central

A8-3 Rocket Engine (Sold in store only)

Estes E16-6 Model Rocket Engines

Estes Rockets

E16-6 Engines (29 mm)

(19)

Estes B4-4 Model Rocket Engines

Estes Rockets

B4-4 Engines

(20)

Estes F15-4 Model Rocket Engines

Estes Rockets

F15-4 Engines (29 mm)

(34)

Everdon Hobbies

1692 Estes E12-4 engine

1/2A6-2 Model Rocket Engines

Estes Rockets

1/2A6-2 Engines

(6)

Everdon Hobbies

1608 Estes B6-0 engine

(1)

22% off

Factory Direct Hobbies

Estes Rockets 1783 B6-4 Engines Bulk 24pk

Package of Estes Rockets - B6-4 Engines (3pk), model rocket engines in a blue and black pouch, designed for STEM learning and family-friendly hobby projects, veteran-owned business.

Echo Six Hobbies

Estes Rockets - B6-4 Engines (3pk)

Electronix Express

Estes B6-6 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1607)

SciencePurchase

Estes 1602PK2 B4-4 Model Rocket Engines, 6 Count – 18mm Single-Stage Motors with Starters & Plugs

Skycraft Hobbies

Estes - C6-3 Engines

Three B6-4 model rocket engines in a blue and white package for Estes EST110021

ProTinkerToys.com

B6-4 Model Rocket Engines (3pk) | EST110021 | Estes

Chris's House

B6-4 Bagged Rocket Engines (3)

Island Toys & Hobby

Estes Rockets A8-0 (3 ea)

6% off

Electronix Express

Estes B4-2 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1601)

Brighten Up Toys & Games

Estes Rocket Engine: B6-2

Everdon Hobbies

1607 Estes B6-6 engine

Estes B6-6 Model Rocket Engines

Estes Rockets

B6-6 Engines

(4)

Estes C6-5 Model Rocket Engines Flight Pack

Estes Rockets

C6-5 Engine Flight Pack

(17)

Everdon Hobbies

10042 Estes F15-8 Engine (29 mm)

Estes A8-0 18mm Model Rocket Engines

Estes Rockets

A8-0 Engines

Estes E16-8 Model Rocket Engines

Estes Rockets

E16-8 Engines (29 mm)

(6)

Superstition Hobbies

Estes C6-5 Model Rocket Engine (3)

Toy Box Michigan

Model Rocket Engines B6-4 Flight Pack

New Century Rocketry

Estes B6

Chris's House

A8-3 Bagged Rocket Engines (3)

Estes B6-4 Model Rocket Engine Flight Pack

Estes Rockets

B6-4 Engine Flight Pack

(8)

Estes 1/2A3-2T Model Rocket Engines

Estes Rockets

1/2A3-2T Engines

(15)

SciencePurchase

Estes 1606PK3 B6-4 Model Rocket Engines, 3 Packs – 9 Engines Total with Starters & Plugs

Superstition Hobbies

Estes 1/2A3-4T Model Rocket Engine (4)