

Hero image 0 of Estes EST1788 0.5 A3-4T Engines BulK, Pack of 24, 0 of 6
Estes EST1788 0.5 A3-4T Engines BulK, Pack of 24
Key item features
- Engine Type: This product features Estes 1/2A3-4T model rocket engines, specifically designed for launching model rockets.
- Bulk Quantity: The package contains a bulk supply of 24 model rocket engines, providing ample units for multiple launches.
- Launch Essentials: Included are 30 starters and 24 starter plugs, which are necessary components for igniting the rocket engines.
- Recovery Wadding: The pack also provides 75 squares of recovery wadding, essential for protecting the parachute and ensuring safe rocket recovery.
- Rocket Compatibility: These 1/2A3-4T engines are suitable for launching UP Aerospace SpaceLoft bulk pack rockets.
- Shipping Restrictions: This item ships via US Postal Service to the contiguous 48 states only, requiring a physical mailbox or post office box for delivery, with APO/FPO/DPO destinations prohibited.
Generated by AI
Specs
- Toy replacement part & accessory typeModel Rocket Engines
- Brandunknown
- MaterialPlastic and Metal
- ColorMulti-color
- Age range12 years & Up
- Piece count24
Current price is USD$89.99
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Ships to
Arrives by Mon, May 4
|Sold and shipped by RSR Electronics Inc.
4.423180592991914 stars out of 5, based on 371 seller reviews(4.4)371 seller reviews
Free 30-day returns
More seller options (3)
Starting from $89.99
About this item
Product details
EstesĀ® 1/2A3-4T Model Rocket Engine Bulk Pack (24)
ENGINES FOR MODEL ROCKETS
Engine bulk packs come with all the model rocket engine supplies you need to launch 24 rockets. Included are 24 model rocket engines, 30 starters, 24 starter plugs and 75 squares of recovery wadding. Use the 1/2A3-4T engine to launch the UP Aerospace SpaceLoft bulk pack rockets.
PLEASE NOTE: This item will ship by US Postal Service to the contiguous 48 states only. You MUST HAVE a physical mailbox or post office box for delivery. APO/FPO/DPO destinations are prohibited.
ENGINES FOR MODEL ROCKETS
Engine bulk packs come with all the model rocket engine supplies you need to launch 24 rockets. Included are 24 model rocket engines, 30 starters, 24 starter plugs and 75 squares of recovery wadding. Use the 1/2A3-4T engine to launch the UP Aerospace SpaceLoft bulk pack rockets.
PLEASE NOTE: This item will ship by US Postal Service to the contiguous 48 states only. You MUST HAVE a physical mailbox or post office box for delivery. APO/FPO/DPO destinations are prohibited.
- Estes EST1788 0.5 A3-4T Engines BulK, Pack of 24
- EstesĀ® 1/2A3-4T Model Rocket Engine Bulk Pack (24)
ENGINES FOR MODEL ROCKETS
Engine bulk packs come with all the model rocket engine supplies you need to launch 24 rockets. Included are 24 model rocket engines, 30 starters, 24 starter plugs and 75 squares of recovery wadding. Use the 1/2A3-4T engine to launch the UP Aerospace SpaceLoft bulk pack rockets.
PLEASE NOTE: This item will ship by US Postal Service to the contiguous 48 states only. You MUST HAVE a physical mailbox or post office box for delivery. APO/FPO/DPO destinations are prohibited. - By unknown
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.Ā Ā
Specifications
Toy replacement part & accessory type
Model Rocket Engines
Brand
unknown
Material
Plastic and Metal
Color
Multi-color
Warranty
Warranty information
See Product Manual for Warranty Registration Info
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Similar items you might like
Based on what customers bought
Best seller Estes Estes A8-3 Engine Bulk Pack, 6x4.50x2.50in, 1.13oz, 24 Engines $85.34
Best seller
$8534current price $85.34Estes Estes A8-3 Engine Bulk Pack, 6x4.50x2.50in, 1.13oz, 24 Engines
94.6 out of 5 Stars. 9 reviewsEstes Blast-Off Flight Pack - 24 Assorted Model Rocket Engines - Includes A8-3, B6-4, C6-3, and C6-5 (1672) $79.99
$7999current price $79.99Estes Blast-Off Flight Pack - 24 Assorted Model Rocket Engines - Includes A8-3, B6-4, C6-3, and C6-5 (1672)
124.6 out of 5 Stars. 12 reviews9 Estes B6-4 Engines (Three Packs of 3) $32.84 Was $36.70
$3284current price $32.84, Was $36.70$36.709 Estes B6-4 Engines (Three Packs of 3)
34.7 out of 5 Stars. 3 reviewsEstes B6-0/B6-6 Engine Bulk Includes 24 Model Rocket Engines for Two-Stage Rockets $84.25
$8425current price $84.25Estes B6-0/B6-6 Engine Bulk Includes 24 Model Rocket Engines for Two-Stage Rockets
Estes Rockets C11-3 Model Rocket Engines 12Pk $86.46
$8646current price $86.46Estes Rockets C11-3 Model Rocket Engines 12Pk
35 out of 5 Stars. 3 reviewsEstes 3 Packs of B4-4 Model Rocket Engines - Total of 9 Engines with Starters & Plugs (1602PK3) $38.99
$3899current price $38.99Estes 3 Packs of B4-4 Model Rocket Engines - Total of 9 Engines with Starters & Plugs (1602PK3)
35 out of 5 Stars. 3 reviewsEstes C6-0 Model Rocket Engines Bagged $16.94
$1694current price $16.94Estes C6-0 Model Rocket Engines Bagged
Estes 3181 BT/5/BT20/BT50 Engine Mount Parts 27 $12.98
$1298current price $12.98Estes 3181 BT/5/BT20/BT50 Engine Mount Parts 27
null4.7 out of 5 Stars. null reviewsBest seller Estes A8-3 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1598) $14.84 $14.84/count
Best seller
$1484current price $14.84$14.84/countEstes A8-3 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1598)
304.7 out of 5 Stars. 30 reviewsEstes Rockets E12-4 Engines 3 Pack EST10029 / EST16192 $19.84
$1984current price $19.84Estes Rockets E12-4 Engines 3 Pack EST10029 / EST16192
Estes Rockets Pro Series II Parts Assortment $86.39
$8639current price $86.39Estes Rockets Pro Series II Parts Assortment
Estes Igniters, 6/pkg $9.99
$999current price $9.99Estes Igniters, 6/pkg
SMITH'S ORIGINAL FILL-IT 2 PART FAIRING - PINT KIT $95.00
$9500current price $95.00SMITH'S ORIGINAL FILL-IT 2 PART FAIRING - PINT KIT
Estes A10-0T Mini Engine for Model Rocket Flight 4 Pack $14.99
$1499current price $14.99Estes A10-0T Mini Engine for Model Rocket Flight 4 Pack
Estes A10-3T Mini Model Rocket Engine Pack - Includes 4 Engines with Starters & Plugs (1511) $15.99
$1599current price $15.99Estes A10-3T Mini Model Rocket Engine Pack - Includes 4 Engines with Starters & Plugs (1511)
114.5 out of 5 Stars. 11 reviewsESTES D12-3 Model Rocket Engines 2 Pack $16.99 $1.42/ea
$1699current price $16.99$1.42/eaESTES D12-3 Model Rocket Engines 2 Pack
Best seller Estes Recovery Wadding $9.84 $9.84/count
Best seller
$984current price $9.84$9.84/countEstes Recovery Wadding
84.9 out of 5 Stars. 8 reviewsLED Light Only, Compatible with Lego Willy Wonka & The Chocolate Factory 21360 - Excluding Model (RC Version Light) $74.98
$7498current price $74.98LED Light Only, Compatible with Lego Willy Wonka & The Chocolate Factory 21360 - Excluding Model (RC Version Light)
Estes 1/4A3-3T Mini Model Rocket Engine Pack - Includes 4 Engines with Starters & Plugs (1502) $12.99
$1299current price $12.99Estes 1/4A3-3T Mini Model Rocket Engine Pack - Includes 4 Engines with Starters & Plugs (1502)
34.7 out of 5 Stars. 3 reviewsEstes Rockets C6-5 Engines 3 Pack w/ Recovery Wadding EST10056 / EST7968 Flight Pack $19.84
$1984current price $19.84Estes Rockets C6-5 Engines 3 Pack w/ Recovery Wadding EST10056 / EST7968 Flight Pack
Check out these related products
Estes B6-4 Model Rocket Engine Bulk Pack - Includes 24 Engines with Starters, Plugs, and Recovery Wadding (1783) $89.99
$8999current price $89.99Estes B6-4 Model Rocket Engine Bulk Pack - Includes 24 Engines with Starters, Plugs, and Recovery Wadding (1783)
54.8 out of 5 Stars. 5 reviewsEstes 3172 Shock Cord Accessory Pack PSII $13.49
$1349current price $13.49Estes 3172 Shock Cord Accessory Pack PSII
null4.6 out of 5 Stars. null reviewsEstes Rockets Engine Hook Accessory Pack 3143 for Model Rockets $10.99
$1099current price $10.99Estes Rockets Engine Hook Accessory Pack 3143 for Model Rockets
Estes 2320 Launch Lug Pack $9.31
$931current price $9.31Estes 2320 Launch Lug Pack
null4.4 out of 5 Stars. null reviewsEstes E12-0 Model Rocket Engine Pack (3 Engines per Pack) $25.64
$2564current price $25.64Estes E12-0 Model Rocket Engine Pack (3 Engines per Pack)
25 out of 5 Stars. 2 reviewsEstes 2241 Blast Deflector Plate $12.84
$1284current price $12.84Estes 2241 Blast Deflector Plate
null4.7 out of 5 Stars. null reviewsDaron RM3003 Road Marks Metal Racing Cars - Pack of 5 $16.53
$1653current price $16.53Daron RM3003 Road Marks Metal Racing Cars - Pack of 5
Tamiya 1/35 British 25lb Gun & Quad TAM35044 Plastic Models Armor/Military 1/35 $40.76
$4076current price $40.76Tamiya 1/35 British 25lb Gun & Quad TAM35044 Plastic Models Armor/Military 1/35
14 out of 5 Stars. 1 reviewsWoodland Scenics WS 5725 Just Plug Auxiliary Switch $14.18
$1418current price $14.18Woodland Scenics WS 5725 Just Plug Auxiliary Switch
Woodland Scenics WS 5770 Just Plug Power Supply $22.99
$2299current price $22.99Woodland Scenics WS 5770 Just Plug Power Supply
35 out of 5 Stars. 3 reviewsHPI 101203 Engine Mount $20.21
$2021current price $20.21HPI 101203 Engine Mount
Woodland Scenics WS 4571 Tidy Track Ho Dust Monkeys $17.84
$1784current price $17.84Woodland Scenics WS 4571 Tidy Track Ho Dust Monkeys
HPI 101242 Slipper Clutch Hub Rear HPI101242 $16.53
$1653current price $16.53HPI 101242 Slipper Clutch Hub Rear HPI101242
Customer ratings & reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |
Showing 1-2 of 2 reviews
Mar 9, 2026
Becca
5 out of 5 stars review
Verified Purchase
it has all the parts needed to launch the rocket! (except the rocket of course)
Incentivized Review
Helpful?5R2IGFZOJPD452552875
Dec 18, 2023
Brian
4 out of 5 stars review
Verified Purchase
smaller than I thought
I thought these would be bigger than they are. I tried one and did not launch as far as they said it would.
Incentivized Review
Helpful?5R2IGFZOJPD452552875
