Wholesale STEM Toys – DIY Building Blocks, Simulate Real Circuit Experiments

Wholesale Stem Toys. Science electronic building blocks! Simulate real circuit experiments & develop programming thinking. Rich parts cultivate future scientists from circuit basics. Chengji stem toy supplier offers a wide variety of stem toys for you to explore. Contact us now!

Specifications of DIY building blocks

Item No.: CJ-4454169
Package: color box
Package Size: 19.5*17*6CM
Carton Size： 87.5*38*41CM
Q’ty/Ctn: 60/PCS
G.W./N.W.: 17/15 KG
Measurement: 0.14 CBM’/4.81 CUFT’

Certification

Features of the DIY building blocks CJ-4454169

  • Real Circuit Simulation to Understand Electrical Principles
    Kids build functional circuits with modular electronic blocks. Safely visualize current and resistance, turning abstract theory into hands-on practice.

  • Programming Thinking Enlightenment for Logic Skills
    Introduces basic programming concepts through logical circuit control. Develops computational thinking as a foundation for the AI era.

  • Rich Accessories for Unlimited Creativity

    • Includes sensors, switches, LEDs and more for hundreds of circuit combinations. Sparks innovation and problem-solving through free exploration.

  • Progressive Experiment Guidance Builds Science Confidence
    Step-by-step experiments progress from simple to complex circuits. Builds scientific confidence through successful experiences.

  • Interactive Learning Combines Knowledge & Practice
    Integrates physics into fun experiments with real-time sound/light feedback. Turns boring principles into exciting discovery games.

Details of the DIY building blocks CJ-4454169

General Customization Service

Custom toy packagingCustom Packaging
Custom toy logoCustom Logo
Custom toy colorCustom Color

Deep Customization Service

Submit a Design or Idea

Send us your drawings, sketches, references or creative concepts and we will assess the feasibility and provide a quote.
icon_step 11.Toy design

Prototyping

Prototyping We will provide you with a draft sample as soon as possible so that you can test the quality of our products and services.
icon_step 22.Prototype

Modify and Optimize Samples

We will modify the sample according to your modification suggestions until the final sample meets the requirements.
icon_step 33.Modify the sample

Mass Production

We will carry out mass production according to the confirmed samples, control the quality and deliver on time.
4.Mass production
icon_step 4

Packaging and Delivery

Packing, labeling and boxing according to customer requirements, and arrange reliable logistics transportation.
5.Deliver
icon_step 5

After-sales Service

If you encounter any problems, please feel free to contact us and we will provide perfect after-sales support.
6.After-sales service
icon_step 6

About Us

Chengji is a comprehensive toy supplier integrating manufacturing, trade and services. We have an experienced team covering design, production, quality inspection, foreign trade, shopping guide, e-commerce and other aspects, and are committed to providing efficient and convenient one-stop procurement solutions for global customers.
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Business Team – Chengji

Business Team

Shopping Guide Team – Chengji

Shopping Guide Team

E-commerce Team – Chengji

E-commerce Team

Honor Center – Chengji

Honors Center

Design Team – Chengji

Design Team

Production Workshop – Chengji

Production Workshop

Quality Inspection Laboratory – Chengji

Quality Inspection Laboratory

International Certification

Why Choose Us as Your Toy Supplier

A deep understanding of our core strengths will help you make the most valuable cooperation decision among many suppliers.
Customized Toy Capabilities 1_Excellent Design

Excellent Design

We have an experienced design team that is good at transforming customers' ideas into toy products that are market-appealing and functional.
Customized Toy Capabilities 2_Rich Product Types

Rich Product Types

We offer a wide range of products, including baby toys, educational toys, role-playing toys, etc., to meet the needs of different markets and age groups
Customized Toy Capabilities 3_Integration Capabilities

Integration Capabilities

Our strategic network of over 3,000 trusted toy manufacturers has created a strong and flexible supply chain ecosystem.
Customized Toy Capabilities 4_Manufacturing Capabilities

Manufacturing Capabilities

With advanced production equipment and efficient assembly lines, we have one-stop production capabilities from mold development, injection molding, assembly, spraying to packaging.
Customized Toy Capability 5_Quality Control

Quality Control

We strictly implement the quality inspection process, and strictly control every level from raw material procurement to finished product delivery to ensure that every toy is safe and reliable.
Customized Toy Capability 5_International Certification

International Certification

The products comply with many international toy safety standards and have passed certifications such as EN71, ASTM, CPSIA, etc.

Contact

Choose Chengji as your toy supplier. We provide high-quality toy supply support, OEM and ODM toy solutions, and efficient wholesale toy services.

FAQ

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Contact

Choose Chengji as your toy supplier. We provide high-quality toy supply support, OEM and ODM toy solutions, and efficient wholesale toy services.

FAQ

Follow us here
facebook
Message

Send Us A Message

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