Best Engineering Kits for Different Age Groups

Hebei Stariver Tech Co., Ltd.

🇨🇳 China

2016

11-50 people

Manufacturer/Trading Company/Wholesaler/Distributor

OEM manufacturer

ODM manufacturer

Product customization

Small batch production

Shipments

Key customer

WILD BLUE MOON LTD

Key market

Africa

Description

Hebei Stariver Tech Co., Ltd., established in 2016 and based in Shijiazhuang, China, is a professional manufacturer and wholesaler specializing in science educational toys and STEM kits. With over 10 years of industry expertise, the company operates as a comprehensive OEM/ODM partner, offering a catalog of more than 5,000 products across categories such as Physics, Chemistry, Biology, Space & Earth, and Electronic Engineering. Their manufacturing capabilities include injection molding, metal die casting, and assembly, supported by a dedicated R&D and design department. The company serves a diverse global clientele, including schools, toy brands, and distributors in over 80 countries. Their product portfolio features innovative learning resources such as DIY robot kits, solar-powered toys, microscope supplies, and specialized teaching aids like DNA models and visual schedule magnets. Stariver Tech maintains high quality standards with certifications including GRS for recycled plastics and FSC for sustainable packaging, and they provide SGS test reports to ensure compliance with international safety regulations like LFGB and FDA. Leveraging a robust supply chain network of over 100 material manufacturers, Hebei Stariver Tech provides cost-effective solutions for educational institutions and retail businesses. Their commitment to quality and regulatory compliance has established them as a reliable supplier for major international brands and educational organizations worldwide.

Engineering Building Blocks Education Creative Diy Children's Games Gear Engineering Kits Stem Toys$2.2

Science Engineering Toys Electronic Engineering Toys Science Gifts$1

10 in 1 Educational Engineering STEM Block Kit Engineering Building Blocks Children Assembled Creative Blocks$6.6

3-In-1Gear Engineering Building Blocks Engineering Kits Stem Toys Science and Education Creative Building Block Toys$2.8

Engineering Building Kits Building Block Sets Educational Stem Toys Children Building Blocks$6.8

DIY Soft Construction Set for Kids Model DIY Building Kit Excavator Children Hand on STEM Engineering Toys for Kids$7.64

Vintage 3d Puzzle Wooden Medieval Trebuchet Wooden Handmade Assembled Jigsaw Puzzle Pieces Science Engineering Toys$11.06

STEM Toys Kids Building Toys Mechanical Engineering Building Blocks DIY Learning Construction Set Educational Toys$7.6

2023 Build&play Juguete Boys 18 Models in 1 DIY Construction Engineering Toy Educational Children Building Set STEM Toys$9.51

DIY Doodle Toys Transparent Pvc Windmill Wholesale Handmade Children's Painting Art Craft Kit for Kids Learning Toys$0.83

DIY STEM Toy Science Experiment Kit Bee Solar Powered Toy for Kids Students$2

DIY STEM Paddle Wheel Ship Physics Educational Science Kits Toy$0.4

Guangzhou Shangshun Engineering Machinery Parts Co., Ltd.

🇨🇳 China

2019

11-50 people

Trading Company

Low MOQ

Custom packaging

Shipments

Key customer

RETRO DIESEL S A S

Key market

North America

Review

Xuchang Hengna Trading Co., Ltd.

🇨🇳 China

2020

5-10 people

Trading Company

OEM manufacturer

ODM manufacturer

Product customization

Low MOQ

Shipments

Key customer

ASIA GREEN SOLUTIONS PVT LTD

Key market

North America

Review

Low Speed Engineering Electric Tricycle Brushless Motor Rear Axle Modified Tricycle Kit$225

48V 60V 1800W BLDC Geared Motor Differential Kit Fan Permanent Magnet Engineering Brushless Electric Tricycle Four-Wheel$95

72V3000W Brushed Motor Controller, High-Power Engineering Vehicle Speed Regulator$112.04

Farm Manure Truck Electric Agricultural Engineering Brick and Ash Hopper$341.71

12V24V Engineering Vehicle Intelligent Electronic Flasher Turn Signal Buzzer Flasher$3.73

4000W Engineering Tricycle Brushless Gear Shift Rear Axle Kit Modified Freight Tricycle Suspension Oil Brake Rear Axle Assembly$570

48V-60V 1500W Brushless Geared Motor Differential Kit Fan Permanent Magnet BLDC Engineering Electric Tricycle Four-Wheel Motor$89

1000W Brushless Electric Tricycle Go Cart Motor Conversion Kit Kids Go Kart Small Tricycle Toy Engine Electric Rickshaw Motor$51

Modified Universal Accelerator Pedal Electrical Accessories Suitable for Engineering Electric Tricycles$4

52cm 800W Electric Tricycle 1: 28 Electronic Brake Rear Axle Controller Kit Low-Speed Modified Heavy-Duty Engineering Dump Truck$106

65cm 800W Cruise Constant Speed Rear Axle Controller Kit 1: 28 Engineering Vehicle Electric Hand Trolley Rear Axle Assy Parts$123

65cm 800W Electric Tricycle 1: 28 Electronic Brake Rear Axle Controller Kit Low-Speed Modified Heavy-Duty Engineering Dump Truck$110.6

Guangzhou Apollo Technology Co., Ltd.

🇨🇳 China

2012

101-200 people

Manufacturer/Trading Company/Wholesaler/Distributor/OTHER

ODM manufacturer

Product customization

Industry association member

Multinational enterprise

Shipments

Key customer

ASPIRE ENTERPRISE

Key market

Oceania

Review

4.3

3306 Engine Cylinder Liner Kit Excavator Engine Part CAT Machinery$246.51

Excavator Engine Part CAT E350 E350L 3306 Engine Cylinder Liner Kit Machinery$249

Engine 3406 Repair Kits CAT 3406 B/C/E Engine Overhaul Kit Cylinder Liner Kit CAT Engine Parts Complete Gasket Kit$249

Excavator Engine Parts Gasket Construction Machinery 3054 3066 3126 3304 3306 3512 3508 Engine Liner Kit$246.51

Factory Price Diesel Engine Engineering Machinery Parts Rebuild Kit Liner Kit Piston Body for Cat 3406E C15 1684540$20

Manufacturers CAT Engine Parts E70 4D31 Engine Full Overhaul Gasket Set$249

New Style Engine Full Gasket Kit for Engine C7.1 Cylinder Head Gasket 424-8881 Complete Overhaul Set for CAT C7.1$55

Apollo Excavator Engine Spare Part 3304 Engine Fuel Transfer Pump 137-5541$79.79

Excavator Engine Parts SK07 SK09 Manufacturer Diesel Engine 100% Tested Fuel Filter$9.9

CAT 3412 Engine Overhaul Kit 163-0930 123-4612 197-9322 317-8766 Piston As Cylinder Liner Engine Repair Kit for Caterpillar 3412$599

Excavator Engine Parts SK350 SK450 SK310 SK330 Manufacturer Diesel Engine 100% Tested Fuel Filter$9.9

Excavator Engine Parts SK904 SK907 SK912 SK909 Manufacturer Diesel Engine 100% Tested Fuel Filter$10

Guangzhou Songte Engineering Machinery Co., Ltd.

🇨🇳 China

2020

5-10 people

Manufacturer/Trading Company/Distributor/Wholesaler

High-tech enterprise

Product customization

OEM manufacturer

ODM manufacturer

Shipments

Key customer

MAA VAISHNAVI EARTH MOVERS

Key market

South America

Review

4.5

Construction Machinery Excavator Parts Diesel Engine Assembly 404d-22 1104c-44t for Perkins Engine$3099

Original Fuel Hydraulic Pump Assembly PC210LC-8K Engine Diesel Fuel Injector Pump for 708-2L-41230 Komatsu Excavator$2399

600-467-1200 Excavator Controller 4921776 PC220-8 PC240-8 Excavator Engine 6D107E Electronic Control Module ECU for Komatsu$750

SongTe NEW Diagnostic Tool 88890300 Adapter Kit Car Truck Excavator Detector Scanner for VOLVO Parts$330

Wenzhou Choieo Education Technology Co., Ltd.

🇨🇳 China

2012

11-50 people

Manufacturer/Trading Company/Service Company

Low MOQ

High-tech enterprise

Product customization

OEM manufacturer

Shipments

Key customer

ADVANCE TECHNOLOGY CONSORTIUM

Key market

Europe

Review

Single and Three Phase Electrical Transformer Trainer Electric Engineering Training Kits$2118

Portable Basic Pneumatics Training Box Engineering Pneumatic Teaching Equipment Didactic Trainer$1203

Multi-Lights Lighting Control Training System Electrical Engineering Skill Educating for University$1596

Movable Educational Equipment Low Voltage Electrician Operation Trainer Electrical Engineering Training Workbench$1912

Multi-Station Mechatronics Engineering Production Training System Automatic Educational Training Modular Equipment$22200

Vocational Electrical Engineer Wiring Installation Maintenance Electric Drive and Lighting Installation Trainer$2307

Cez-301 Electrical Engineering Electronics Customized Digital Circuit Circuit Board Lab Laboratory$483

Motor Control and Electric Drive Technology Trainer Electrical Engineering Workbench Training Equipment$5956

Flexible Hands-on DC Motor Control Trainer for Engineering Education Labs Educational Equipment$1646

Multi-Person Double-Sided Electro Pneumatics Operation Trainer College Pneumatic Engineering Teaching Training Equipment$3562

CFH-104 Advanced Hydraulics Trainer Comprehensive Double Sided Training System for Hydraulic Engineering Education$4700

CAG-001 Comprehensive 10-Station Factory Automation Training Solution Mechatronics Workbench for Engineering Education$11192

Azusa Engineering, Inc.

🇺🇸 United States

1960

11-50 people

Manufacturer/Trading Company/Distributor

Established brand

OEM manufacturer

Product customization

Shipments

Key customer

JAIVEL AEROSPACE PRIVATE LIMITED

Description

Azusa Engineering, Inc., founded in 1960 and headquartered in Covina, California, is a premier manufacturer, distributor, and direct importer of high-quality components for small recreational and industrial vehicles. With nearly 60 years of industry experience, the company has established itself as the largest supplier of karting products, serving diverse markets including Go-Karts, Mini-Bikes, ATVs, and Ultralight Aircraft. Azusa Engineering operates a dedicated machine shop and utilizes proprietary dies and designs to manufacture the bulk of its product line, which includes axles, sprockets, mechanical brakes, wheel hubs, and steering components. In addition to its manufacturing capabilities, the company serves as a central inventory source, stocking thousands of items and acting as a direct importer for tires, inner tubes, shock absorbers, roller chains, and bearings. Their extensive catalog features specialized parts such as aircraft landing assemblies, hydraulic brake accessories, engine clutches, and racing apparel. The company also provides OEM and contract manufacturing services, welcoming inquiries for custom product development and unique industrial requirements. Azusa Engineering supports a global clientele, including notable aircraft programs such as Sonex and Velocity, and distributes products from major brands like Bridgestone. The company maintains a workforce of approximately 11 to 50 employees and continues to be a leading authority in the small vehicle component sector.

Engine Mounting

Jackshafts & Kits

Tie Rods & Kits, Tubular

Xinxiang Alpha Manufacturing Ltd.

🇨🇳 China

2007

201-300 people

Manufacturer/Trading Company/Wholesaler/Distributor/Service Company

OEM manufacturer

ODM manufacturer

Own brand

Product customization

Shipments

116

Key customer

OOLY LLC

Key market

🇺🇸 United States

Review

Wooden Siege Catapult Kit for Kids STEM Learning Toy for Engineering$4.29

Education Toy Manufacturer Wooden Science & Engineering Toys Kids Educational Stem Kits$0.33

Engineering Learning Toy for Kids 8+$3.99

Fun Physics Experiment Toys Science Engineering Toy Physics Lab Kit for Kids$3.7

BIG BANG SCIENCE Science Experiment Engineering Kit Physics Kit Stem Toy for Kids$3.7

Solar Powered Helicopter Kids Science Engineering Toy Kit Wooden Puzzle 3D Stem Solar Toy$0.86

Support OEM Science Experiment Kit Hot Super Science & Engineering Toys DIY Educational Science Kit$2.55

Popular Wooden Robotic Building Kit Stem Projects Engineering Set Diy Stem Science Toy for School$0.52

Space Science STEM Educational Kit Moon Landing Toy for Kids Enjoy the Fun of Engineering$3.73

Customized Learning Science Kids STEM Toys Science Engineering Toy Skids Puzzles Educational Toy STEM Kits$0.52

Popular Wooden Robotic Building Kit Stem Projects Engineering Set Diy Stem Science Toy for School$0.33

DIY MUSICAL BLUETOOTH USB SPEAKER Electric Experiment Kit Kid 3D Wooden Assemble Science Engineering Stem Toys$4.43

Ningbo Engineering Imp. & Exp. Co., Ltd.

🇨🇳 China

2006

11-50 people

Manufacturer/Trading Company

OEM manufacturer

ODM manufacturer

Product customization

Custom packaging

Shipments

3554

Key customer

SALVIGAR SA DE CV

Key market

Asia

Description

Ningbo Engineering Imp. & Exp. Co., Ltd., established in 2006 and operating under the brand ENGG, is a professional one-stop supplier and manufacturer specializing in motorcycle, ATV, UTV, and electric vehicle parts. Based in the seaport city of Ningbo, China, the company operates within a major industrial zone for vehicle components. It maintains a 3,000 to 5,000 square meter facility equipped with four specialized production lines for cylinders and gasket kits, achieving an annual output of up to 2 million pieces. The company offers a comprehensive product portfolio across three core series: Cylinders (including cylinder heads and valve kits), Clutches (including drive belts and starter clutches), and Brake Parts (pads, discs, and shoes). Their expertise extends to complex engine components such as crankshafts, camshafts, carburetors, and starter motors, catering to major international brands including Honda, Yamaha, Suzuki, Polaris, and Can-Am. Beyond traditional internal combustion engine parts, the company has expanded into high-quality electric vehicle components and tricycle parts. As a quality-focused organization, Ningbo Engineering holds ISO 9001:2015 and GS certifications, with additional verification from SGS and TUV. Their mature quality control system integrates incoming material inspection, plant self-inspection, and national lab testing. With independent R&D capabilities and a workforce of 11 to 50 employees, the company provides extensive OEM and ODM services, including customized packaging to enhance client brand influence. They maintain a strong international presence, exporting to North America, South America, Europe, and Asia, supported by multilingual sales teams and integrated logistics and warehousing services.