Pay in installments of $22.50 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Smithsonian DIY L4 4 Cylinder Inline 4 Car Engine Assembly Model Kit STEM Science Toy BlueSmithsonian DIY L4 4 Cylinder Inline 4 Car Engine Assembly Model Kit STEM Science Toy BlueFeatures:. Build your own car engine with a number of parts, which will be unprecedented stimulation and challenge. Switch on the assembled engine and the engine will turn. The valve opens and closes, the spark plug lights up, the piston drives the crankshaft, and the fan structure rotates. The dynamic components in this kit make the experiment real and
Smithsonian DIY L4 4 Cylinder Inline 4 Car Engine Assembly Model Kit STEM Science Toy BlueFeatures:
.Build your own car engine with a number of parts, which will be unprecedented stimulation and challenge
.Switch on the assembled engine and the engine will turn. The valve opens and closes, the spark plug lights up, the piston drives the crankshaft, and the fan structure rotates. The dynamic components in this kit make the experiment real and interesting
.Transparent shell design for observing and understanding the working process of the engine. The basic principle of a four-cylinder engine is that converting thermal energy of gasoline (diesel) into mechanical energy by pushing the piston to do work when the gas in the sealed cylinder expands.
.A great STEAM science toy to Develop children's mental thinking, and develop innovative thinking ability. Adults can collaborate with children to enhance parent-child interaction. DIY assembly toy can cultivate children's hands-on ability
.It comes with clear instructions to guide children to gradually understand the structure of the engine and related mechanical knowledge. In the experiment, help the children learn the operating principle of the engine and understand the process of energy conversion. From small parts to complete finished products assembly process, exercise children's logical thinking, cultivate children's creativity and self-confidence.
.For over 8-year-old.
Specifications:
.Color: As Shown
.Material: Plastic
.Product Weight: 1200g
.Package Dimensions: 37.5 x 30 x 7.5cm
.Package Weight: 1500g
.Packing: Graphic Carton
Package Content:
.1 x Engine Kit
.1 x User Manual
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 17 reviews
Sort
Product Reviews
★★★★★ 5
Good for dogs that like to chew things
Loved it and did t feel a need to rip it open.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 25, 2026
★★★★★ 4
Super cute!
The pattern is great and colors are very bright. Good value for money, but could be stronger fabric as it seems like it would rip easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Good sounds
Saratoga Water? Nope. Pawatoga Water, yes! it has held up well. The crinkle sounds are fun but sometimes he just wants the squeak.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
★★★★★ 5
Super cute
We loved having this as a toy for our dobie’s bday celebration
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
★★★★★ 5
My Dog’s New Favorite Toy!
My pup is absolutely obsessed with this bottle-shaped dog toy—it’s the perfect mix of fun and durability! It crinkles, without the lid obnoxious noise. Highly recommend for any dog!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 16, 2025
recommand products
63 Inch Cactus Cat Tree with Sisal Scratching Posts and Board for Indoor Cats
142.99
Double Pet Stroller Foldable 3-in-1 Dog Stroller with 2 Detachable Carriers
128.00
60 Inches Tall Cat Tree with 2-Story Condo and Sisal Scratching Posts-Natural
112.00
Smart Plant Cat Litter Box with Electronic Odor Removal and Sterilization-White
174.99
66 Inch Cute Cat Tree Cats Multi-level Tall Cat Tower with Sisal Covered Scratching Posts-Purple
189.99