---
product_id: 227921433
title: "STEM Building Toys for 4-5-6-7 Year Old Boys, Building Blocks Stem Kits for Kids Toys Age 4-8 Year Old Boy Girl Creative DIY Activities Games Birthday Gifts Presents for 5 6 7 4 3 Year Olds Boys Child"
brand: "sheirying"
price: "₩106970"
currency: KRW
in_stock: false
reviews_count: 8
url: https://www.desertcart.kr/products/227921433-stem-building-toys-for-4-5-6-7-year-old
store_origin: KR
region: South Korea
---

# 360° flexible ball joints 70 versatile pieces Safe, eco-friendly ABS plastic STEM Building Toys for 4-5-6-7 Year Old Boys, Building Blocks Stem Kits for Kids Toys Age 4-8 Year Old Boy Girl Creative DIY Activities Games Birthday Gifts Presents for 5 6 7 4 3 Year Olds Boys Child

**Brand:** sheirying
**Price:** ₩106970
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Build, Imagine, Innovate — The Future Starts Here!

## Quick Answers

- **What is this?** STEM Building Toys for 4-5-6-7 Year Old Boys, Building Blocks Stem Kits for Kids Toys Age 4-8 Year Old Boy Girl Creative DIY Activities Games Birthday Gifts Presents for 5 6 7 4 3 Year Olds Boys Child by sheirying
- **How much does it cost?** ₩106970 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/227921433-stem-building-toys-for-4-5-6-7-year-old)

## Best For

- sheirying enthusiasts

## Why This Product

- Trusted sheirying brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **STEM Skill Booster:** Enhances spatial reasoning, problem-solving, and hand-eye coordination in kids 3-9 years.
- • **Dynamic Flexibility:** Innovative ball joints rotate in all directions for truly imaginative constructions.
- • **Durable & Safe Materials:** Crafted from high-quality, non-toxic ABS plastic ensuring safe, long-lasting play.
- • **Endless Creative Possibilities:** 70 colorful skeleton blocks spark limitless STEM builds from robots to vehicles.
- • **Perfect Gift for Future Innovators:** Ideal for birthdays or holidays, fostering family bonding through collaborative play.

## Overview

This 70-piece STEM building toy set features flexible 360° ball joints and vibrant skeleton blocks made from safe, eco-friendly ABS plastic. Designed for children aged 3 to 9, it promotes creativity, spatial skills, and problem-solving without batteries or assembly. A perfect educational gift that encourages collaborative play and STEM learning.

## Description

Spark imagination and STEM learning with this 70-piece construction toy set. Flexible ball joints allow endless building possibilities, from robots to vehicles.

Review: Great for your small builders - A challenging but fun toy. My grandson will enjoy this for some time.
Review: Great building kit - Well made good for age stated

## Features

- [KIDS LEARNING TOY KIT]:This construction toy kit includes 70PCS of skeleton blocks attached with rich colors to attract boy girl kid's age 4 5 6 attention and make them interested in playing it.Players use their imagination and creativity to Launch a brainstorm with friends or family.Players piece blocks together to make a swing, mountain bike, building or a robot that gains a sense of accomplishment for a kid who dare to explore, which is a powerful motivation to help him continue to explore.
- [INFINITE POSSIBILITIES OF SMALL COMPONENTS]: This product adopts design of ball joint, thus they can be rotated in multiple directions and angles flexibly. Aged 3 4 5 6 Kids Boys girls can follow the patterns in the usage guide to splice or create their own designs! This educational toy for 3-9 boys and girls is very useful to improve kid's spatial imagination, practical ability and innovation ability It's perfect as a birthday gift for kids aged 4 5 6!
- [THE DEVELOPMENT BENEFITS]: The players can create some design, that fully exerting their creativity and the coordination of eyes and brain.Kid players would constantly trying out new ideas,which can help them gradually form a habit to keep looking for new ways to solve problems. Studing the layout and structure,that is helpful for a 3 4 5 6 year old boy girl to grasp the shape of objects and the conversion between two-dimensional and three-dimensional space.
- [SAFT AND HIGH QUALITY]: The product use of high quality ABS that is safe and environmentally friendly,it has good flexibility so you don't need to worry about damage, but you must not too hard to deliberately damage the product to create unnecessary trouble. This product have not pungent smell, does not affect you and your children's happy experience while playing them.
- [BEST GIFT]: Skeleton building toy could be a great present for boys and girls aged 4 to 12 years old. Whether it's Christmas Eve, Christmas or Children's Day, it's a great holiday gift or educational toy for 6 year old kids. Children can also work together with their parents to play, having a communicate and discuss in the process, which is a good way to strengthen the relationship between parents and children.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08GHPCKWK |
| Assembly Required | No |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 97,182 in Toys & Games ( See Top 100 in Toys & Games ) 1,132 in Educational Science Kits |
| Colour | Skeleton Building |
| Customer Reviews | 4.5 4.5 out of 5 stars (455) |
| Date First Available | 21 Aug. 2020 |
| Educational Objective(s) | Creative Thinking, STEM |
| Item model number | BESTTRENDY |
| Manufacturer recommended age | 36 months - 9 years |
| Material Type(s) | Acrylonitrile Butadiene Styrene, Plastic |
| Number of pieces | 70 |
| Product Dimensions | 25.4 x 5.08 x 6.86 cm; 560 g |
| tech_spec_battery_description_toys | No batteries required |

## Product Details

- **Brand:** Sheirying
- **Colour:** Skeleton Building
- **Educational objective:** Creative Thinking, STEM
- **Item dimensions L x W x H:** 25.4 x 5.1 x 6.9 centimetres
- **Manufacturer Minimum Age (MONTHS):** 36
- **Material:** Acrylonitrile Butadiene Styrene, Plastic
- **Model name:** BESTTRENDY
- **Number of pieces:** 70
- **Special feature:** Non Toxic
- **Theme:** Robot

## Images

![STEM Building Toys for 4-5-6-7 Year Old Boys, Building Blocks Stem Kits for Kids Toys Age 4-8 Year Old Boy Girl Creative DIY Activities Games Birthday Gifts Presents for 5 6 7 4 3 Year Olds Boys Child - Image 1](https://m.media-amazon.com/images/I/619WB2MvHuL.jpg)
![STEM Building Toys for 4-5-6-7 Year Old Boys, Building Blocks Stem Kits for Kids Toys Age 4-8 Year Old Boy Girl Creative DIY Activities Games Birthday Gifts Presents for 5 6 7 4 3 Year Olds Boys Child - Image 2](https://m.media-amazon.com/images/I/619p-pl0dkL.jpg)
![STEM Building Toys for 4-5-6-7 Year Old Boys, Building Blocks Stem Kits for Kids Toys Age 4-8 Year Old Boy Girl Creative DIY Activities Games Birthday Gifts Presents for 5 6 7 4 3 Year Olds Boys Child - Image 3](https://m.media-amazon.com/images/I/61LuGvHvDzL.jpg)
![STEM Building Toys for 4-5-6-7 Year Old Boys, Building Blocks Stem Kits for Kids Toys Age 4-8 Year Old Boy Girl Creative DIY Activities Games Birthday Gifts Presents for 5 6 7 4 3 Year Olds Boys Child - Image 4](https://m.media-amazon.com/images/I/61nSlRqR0kL.jpg)
![STEM Building Toys for 4-5-6-7 Year Old Boys, Building Blocks Stem Kits for Kids Toys Age 4-8 Year Old Boy Girl Creative DIY Activities Games Birthday Gifts Presents for 5 6 7 4 3 Year Olds Boys Child - Image 5](https://m.media-amazon.com/images/I/711-9SDeMGL.jpg)

## Questions & Answers

**Q: Please could you tell me if the 'joints' become loose after a while?  Nothing more frustrating for children when toys don't work properly. Thanks**
A: It has a strong bite force, so the joints are connected firmly to the joints.

**Q: Is it difficult for 3-year-olds to play?**
A: Joints are very stiff. And I found them a bit hard myself so took a bit of enjoyment out of it for our grandchildren.

**Q: What does the box packaging look like?**
A: It came in a box, which look fine.

**Q: What material is it made of?**
A: ABS plastic. Very resilient and not easily broken.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for your small builders
*by E***E on 3 April 2025*

A challenging but fun toy. My grandson will enjoy this for some time.

### ⭐⭐⭐⭐⭐ Great building kit
*by S***E on 19 February 2025*

Well made good for age stated

### ⭐⭐⭐⭐ Interactive, enjoying to play this
*by J***M on 3 July 2024*

Overall good experience, fun to play

## Frequently Bought Together

- STEM Building Toys for 4-8 Year Old Boys Girls, Toys Gifts for 4 5 6 7 8 Year Olds Boys Gift Boys Kids Toys for Age 4-9 Year Old Boy Birthday Presents
- Desire Deluxe Magnetic Building Blocks Tiles STEM Toy Set 57PC – Kids Learning Educational Construction Toys for Boys Girls Present Age 3 4 5 6 7 Year Old - Gift
- Dreamon Take Apart Dinosaur Toys for Kids with Storage Box Electric Drill DIY Construction Build Set Educational STEM for Boys Girls

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.kr/products/227921433-stem-building-toys-for-4-5-6-7-year-old](https://www.desertcart.kr/products/227921433-stem-building-toys-for-4-5-6-7-year-old)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-25*