---
product_id: 51642751
title: "20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool"
brand: "goobi"
price: "297 zł"
currency: PLN
in_stock: false
reviews_count: 8
url: https://www.desertcart.pl/products/51642751-20-piece-construction-set-large-building-blocks-developmental-play-sticks
store_origin: PL
region: Poland
---

# Vibrant multicolor design 20 magnetic bars & steel balls BPA-free & safety certified 20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool

**Brand:** goobi
**Price:** 297 zł
**Availability:** ❌ Out of Stock

## Summary

> 🧲 Build brilliance, spark imagination, and join the STEM play revolution!

## Quick Answers

- **What is this?** 20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool by goobi
- **How much does it cost?** 297 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/51642751-20-piece-construction-set-large-building-blocks-developmental-play-sticks)

## Best For

- goobi enthusiasts

## Why This Product

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

## Key Features

- • **Magnetic Mastery:** Engage toddlers with 20 oversized magnetic pieces that spark STEM curiosity and hands-on learning.
- • **Safe & Durable Fun:** Crafted from BPA-free, non-toxic materials ensuring worry-free, long-lasting toddler play.
- • **Skill-Building STEM:** Develop fine motor skills, spatial reasoning, and early physics concepts through interactive building.
- • **Vivid Creativity Boost:** Bright, multicolor blocks inspire endless imaginative 3D constructions and artistic expression.
- • **Award-Winning Innovation:** Celebrate playtime with a toy recognized for excellence in creative and educational design.

## Overview

The Goobi 20 Piece Construction Set combines oversized magnetic bars and steel balls in vibrant colors to foster STEM learning and creativity for toddlers aged 1+. Lightweight, BPA-free, and award-winning, it offers safe, durable, and open-ended play that develops motor skills, geometry, and physics understanding.

## Description

desertcart.com: Goobi 20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool : Toys & Games

Review: Great gift idea! - These are the perfect size for little ones! Gifted this to the grandson (one year old) and he loves them.
Review: Great toy for building and exploring - I bought this set for my 16 month grandson. I was very happy to see the magnets were well protected. . My grandson plays with the set daily. He enjoys going around the house to see where the magnet will work. . I gave him a cookie sheet to build on. Would recommend this set. I wish I had bought the larger set. My Grandson wants all of the pieces for himself and doesn’t let me play.

## Features

- Magnetic Fun: Explore magnetism with our oversized, safe magnetic bars and lightweight steel balls, designed to captivate young minds
- Open-Ended Play: Encourage creativity and imagination with endless possibilities for construction and play
- Educational STEM Learning: Develop fine motor skills, geometry, physics, and architecture concepts through interactive play
- Award-Winning Design: Recognized with multiple awards, including Creative Play of the Year and Product of the Year
- Safe and Durable: Meets all toy safety standards, non-toxic, BPA-free, and designed for ages 1 and up

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075K1GPRG |
| Additional Features | Lightweight |
| Age Range Description | Baby |
| Best Sellers Rank | #135,373 in Toys & Games ( See Top 100 in Toys & Games ) #293 in Toy Stacking Block Sets |
| Brand Name | Goobi |
| Color | Multicolor |
| Customer Reviews | 4.7 4.7 out of 5 stars (906) |
| Educational Objective | Construction, STEM, Imagination skills, motor skills, creative play, |
| Is Assembly Required | No |
| Item Dimensions | 11.5 x 2 x 9.5 inches |
| Item Weight | 2.31 Pounds |
| Manufacturer | Goobi |
| Manufacturer Minimum Age (MONTHS) | 12.00 |
| Manufacturer Part Number | GJ-20 |
| Material Type | Plastic |
| Model Name | Goobi |
| Model Number | GJ-20 |
| Model Year | 2021 |
| Number of Pieces | 20 |
| Operation Mode | manual |
| Power Source | manual |
| Set Name | Goobi |
| Size | Large |
| Target Audience | Children, Toddler |
| Theme | Architecture |
| Toy Building Block Type | Magnetic Toy Building Block |
| UPC | 850301001608 |

## Images

![20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool - Image 1](https://m.media-amazon.com/images/I/710JjuLDKzL.jpg)
![20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool - Image 2](https://m.media-amazon.com/images/I/71BuUcqhwDL.jpg)
![20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool - Image 3](https://m.media-amazon.com/images/I/71vdxfYXQ4L.jpg)
![20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool - Image 4](https://m.media-amazon.com/images/I/71JlOsT8z7L.jpg)
![20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool - Image 5](https://m.media-amazon.com/images/I/61vUuejKeBL.jpg)

## Questions & Answers

**Q: Do these stay together well?  Or come apart too easily while building?**
A: Sorry gave as a gift

**Q: Where is this Goobi Junior set made?**
A: I no longer have the box to see where its made however if you go on their own website it should tell you
just assume its made in china!

**Q: Does the rods connect to each other without the balls**
A: Yes they do

**Q: Description states: the balls are 2.4 inches? is the total circumference of a ball closer to 5 inches? could a 2 year old swallow them? thank-you!**
A: These are perfect for 2 years and under.  They are high quality and easy for them to use.  No they would not swallow them

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great gift idea!
*by B***C on February 18, 2026*

These are the perfect size for little ones! Gifted this to the grandson (one year old) and he loves them.

### ⭐⭐⭐⭐⭐ Great toy for building and exploring
*by A***R on June 21, 2025*

I bought this set for my 16 month grandson. I was very happy to see the magnets were well protected. . My grandson plays with the set daily. He enjoys going around the house to see where the magnet will work. . I gave him a cookie sheet to build on. Would recommend this set. I wish I had bought the larger set. My Grandson wants all of the pieces for himself and doesn’t let me play.

### ⭐⭐⭐⭐⭐ With the
*by D***N on December 19, 2025*

Love these and different toy for young children . My grandson loves this toy .

## Frequently Bought Together

- Goobi 20 Piece Construction Set Large Building Blocks Developmental Play Sticks STEM Learning Vibrant Colors Creativity Imagination 3D Puzzle Educational Toys for 1 Year Old Toddlers Preschool
- Iabedi Busy Board, Montessori Toy for 1-3 Years Old, Wooden Toddler Sensory Travel Toy, Ideal Gift for 1+ Year Old Boys (Busy Board Plus V2), Medium, Yellow

---

## 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.pl/products/51642751-20-piece-construction-set-large-building-blocks-developmental-play-sticks](https://www.desertcart.pl/products/51642751-20-piece-construction-set-large-building-blocks-developmental-play-sticks)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-05*