STEM Blocks: Creative Building for Kids 3+ Years

The Smart Builder Blocks are a versatile educational building set designed for children aged 3 and above, fostering creativity, spatial reasoning, and problem-solving skills through hands-on construction. This kit includes 170 modular components such as gears, connectors, and multi-shape blocks, enabling kids to build vehicles, structures, and mechanical models. Its standout feature is the "STEM + Story" hybrid system, which integrates optional AR app interactions to blend physical building with digital storytelling, teaching basic engineering and physics principles in an engaging way. Crafted from non-toxic, high-quality ABS plastic, the blocks meet international safety standards (ASTM/EN71) with smooth, rounded edges for worry-free play. Ideal for indoor family play, classroom activities, or outdoor adventures, the lightweight yet durable design ensures portability across settings. At home, it encourages parent-child bonding and independent creativity. In classrooms, teachers leverage it to demonstrate geometry and mechanics concepts. Outdoors, its robust material withstands dynamic play environments. Through assembling and problem-solving, children develop fine motor skills, hand-eye coordination, and logical thinking while cultivating patience and teamwork. The included challenge cards and open-ended tasks promote experimentation and innovative thinking, sparking early interest in STEM fields and laying a foundation for lifelong learning.

|  Crystal Slime

Packaging Details:  30 sets/ctn

                  ctn size:  90*45*16 CM

                  G.W/N.W:  80.3/78 KGS

Single package size:  20.5*17*7.2 CM

Single gross weight:  2.6 KG

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|  Product Features

1.Designed to teach foundational engineering, math, and problem-solving skills through hands-on building. Encourages imaginative play with 200+ interchangeable pieces for limitless 3D creations.

2.Precision-engineered blocks with universal connectors (magnetic + snap-fit) compatible with major building toy brands, allowing limitless expansion and hybrid creations.

3.Made from 100% non-toxic, BPA-free ABS plastic rigorously tested to meet international safety standards (ASTM F963, EN71, and CPSIA) for worry-free play.

4.Reinforced interlocking joints and scratch/impact-resistant surfaces withstand years of heavy use, ideal for classrooms, homes, and outdoor adventures.

5.Rounded edges, anti-slip textures, and lightweight (8-12g/piece) blocks designed for small hands, ensuring safe and comfortable grip for ages 3-12.

6.Vibrant, fade-resistant colors with numbered/patterned blocks to teach sequencing, symmetry, and early coding logic through visual learning.

7.Includes a reusable, compartmentalized storage case with labeled trays for easy organization, fostering responsibility and travel-friendly convenience.

8.Enhances fine motor skills, spatial reasoning, and teamwork via group challenges while encouraging independent creativity and logical thinking.


| Application

1.Designed for ages 3-5, this 170-piece set features 10 vibrant, non-fading colors to spark imaginative play. Toddlers can build animals, vehicles, or abstract structures while developing color recognition and artistic expression.

2.Cultivate early engineering and math skills by constructing alphabet letters, numbers, and architectural models. The set introduces basic geometry and balance concepts, laying foundations for logical thinking and problem-solving.

3.Enhance fine motor skills and hand-eye coordination through precise block assembly, while open-ended building scenarios boost creativity and storytelling abilities. Compatible with DIY pattern cards (sold separately).

4.Made from premium, BPA-free ABS plastic with rounded edges and smooth surfaces. Independently certified (ASTM F963, CPSIA, CPC) for chemical safety and mechanical durability. Withstands drops and frequent disassembly.

5.Includes 20+ guided model templates for collaborative play. Parents can teach sequencing and spatial reasoning while fostering emotional connections through shared creative achievements.

6.Supports 2-4 children in team-based projects, encouraging communication, sharing, and cooperative problem-solving. Ideal for playdates, preschools, or sibling activities.

7.Prototypes tested with 500+ toddlers for ergonomic grip and engagement. 92% of trial participants showed increased focus and repeated play behavior during studies.

8.Ships in a reusable storage box with partitioned compartments, promoting organizational habits. Includes multilingual instructions and certified as a top holiday/STEM gift by parenting associations.


|  Product Parameters

Product Name Educational Block Toy
Material ABS
FunctionCreativity Stimulation
TypeEducational Toy
Age Range3 to 13 Years, 14 Years & up
Place of OriginZhejiang, China
GenderUnisex
Brand NameToysrunner
Packing Color Box
SampleOffered
OEM&ODM Acceptable
CertificationASTM, EN71, CE

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| CERTIFICATES

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|  First-class Production Workshop

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Zhejiang Multistay Industry co,.LTD was established in 2008 which designs, manufactures and sales many kinds of toys, like playdough and slime, fidget toys, and plush toys, and some other educational toys, toys gun. So far, we have managed Alibaba.com and own standing alone website store with 20 sales group. In the past of 17 years, we have served for thousands of customers cover all over the world. We are located in Jinhua with convenient transportation access which near by Yiwu this international famous city for wholesale market. Whether it is a big brand or a small order, we can all achieve consistent good quality and good service.

Why choose Toysrunner?
1.17 years focus on toys manufacture.
——Can be trusted for our so many years experience in toys market.
2.Low MOQ
——Most of MOQ just 1-5 cartons for different items.
3.Accept OEM/ODM
——We have ability to create some new style series, and also can supply design service for our customers.
4.Certifcate:CE \ CPC \ GCC \ SOR \ MSDS
——These are basic product certificate, if necessary, we can do more certificate for some special inquiry.
5.Over 500 freight forwarder resource
——We can ship most of sensitive toys for most of the countries in the world.
6.More than 50 countries customers
——We know many countries law and rules, also for shipping safety.
7.Sample production time as fast as 24 hours
——We have some accessories in stock for fast production of the sample order.
8.Provide inspection service
——We accept third party inspection with low quantity order, and also can do video or video meeting inspection for our customers, and also can provide inspection report.
9.Complete after sales service process
——We have 24 hours online service for any issues of our product. We are a responsible company to serve our customers.
10.One-stop toys supply service
——We are not only traditional factory, but we also a mature supply chain service group for some customers who have many SKU to look for, also help our customers to look for competitive products in toys market all over Chinese area.
11.Supply resource pack
——Our product pictures and videos are available for our customers who need them to do promotion. And also can do some picture and video design for our customers.

Quality is our culture! we put our customer satisfaction at first priority. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. Selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as North and South America, Europe, Middle East and Southeast of Asia. Toysrunner is a brand who is open and progress day by day. Toysrunner is an experienced company in e-commerce platform, so we can use the big data to help our customer to choose right products and lower the business risk. Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements. We have full experience to cooperate with many brand and supply many cases for our customers to reference from design, produce, shipping and selling. These support us to supply one stop solution for our customers.

We are glad to work together with you and finally bring you the satisfied products. Let’s start cooperation from here.


| Well Packaged to Each Customer

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|  FAQ

1. Q:Are all your products in stock?

  A:Most of items in our store are in stock,some may be sold out for the time being.

2. Q:Could I print my logo or brand on the goods?

  A:Sure,customized your logo or brand is welcomed based on MOQ.

3. Q:What's the MOQ if I wanna to print my own logo?

  A:The MOQ will be decided by your customized products and your requirement details.As usually,MOQ is 1000pcs.

4. Q:Can you make a sample according to my demand?

  A:Sure,we will make a sample for you to check before your mass production.

5. Q:If I order in a large quantity,is there any discount?

  A:Certainly,good price for large quantity.

6. Q:I am a Amazon seller,could you help me to stick my bar code on the package bags?

  A:Yes,please send us your bar code and labels,we are familiar with the Amazon pacakge rules.

7. Q:Are you manufacturer or trading company?

  A:We are manufacturer.

8. Q:Could you provide DDP shipping?

  A:Yes,we are familiar with DDP shipping by sea or by air.