---
product_id: 776899189
title: "Kids Toys STEM Board Games - Logical Road Builder Brain Teasers Puzzles for 3 4 5 6 7 Year Old Boys Girls, Educational Montessori Birthday Gifts for Ages 4-8 Preschool Classroom Learning (29 PCS)"
price: "¥9044"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/776899189-kids-toys-stem-board-games-logical-road-builder-brain-teasers
store_origin: JP
region: Japan
---

# 118 challenge cards with 4 difficulty levels 2 pull-back cars for hands-on play 29-piece modular puzzle set Kids Toys STEM Board Games - Logical Road Builder Brain Teasers Puzzles for 3 4 5 6 7 Year Old Boys Girls, Educational Montessori Birthday Gifts for Ages 4-8 Preschool Classroom Learning (29 PCS)

**Price:** ¥9044
**Availability:** ✅ In Stock

## Summary

> 🚀 Ignite young minds with hands-on STEM fun that builds more than just tracks!

## Quick Answers

- **What is this?** Kids Toys STEM Board Games - Logical Road Builder Brain Teasers Puzzles for 3 4 5 6 7 Year Old Boys Girls, Educational Montessori Birthday Gifts for Ages 4-8 Preschool Classroom Learning (29 PCS)
- **How much does it cost?** ¥9044 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/776899189-kids-toys-stem-board-games-logical-road-builder-brain-teasers)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Screen-Free Fun:** Encourages critical thinking and focus while reducing screen time—perfect for mindful play and family bonding.
- • **Level Up Learning:** 118 challenge cards with 4 difficulty tiers grow with your child’s skills, ensuring ongoing engagement and mastery.
- • **Build & Brainstorm:** 29 versatile pieces let your child engineer endless track designs, sparking creativity and spatial reasoning.
- • **Safe & Sustainable:** Crafted from BPA-free, non-toxic materials with smooth edges—safe for kids and peace of mind for parents.
- • **Gift-Ready & Classroom-Proven:** Ideal for birthdays, holidays, or preschool learning environments—trusted by parents and educators alike.

## Overview

This 29-piece STEM board game combines Montessori principles with engaging brain teasers to develop critical thinking, focus, and problem-solving skills in children aged 3-7. Featuring 2 pull-back cars, 118 challenge cards across 4 difficulty levels, and safe, BPA-free materials, it offers screen-free, hands-on learning that grows with your child. Perfect for family play, gifting, and classroom use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FHBRKM9W |
| Additional Features | Not Batteries Required |
| Age Range Description | Kid |
| Best Sellers Rank | #14,719 in Toys & Games ( See Top 100 in Toys & Games ) #17 in Assembly & Disentanglement Puzzles |
| Brand Name | BONITOTO |
| Color | Green |
| Customer Reviews | 4.6 out of 5 stars 1,341 Reviews |
| Educational Objective | Enhance cognitive skills and learning in young children |
| Included Components | 2x Pullback Cars; 3x Ball, 2x Start Point; 2x End Point, 4x Bottom Plates, 6x Cross Track; 6x Curved Track; 4x ARC Track |
| Is Assembly Required | Yes |
| Item Dimensions | 15.35 x 15.35 x 0.04 inches |
| Item Dimensions L x W | 15"L x 15"W |
| Item Shape | Cube |
| Item Weight | 508 Grams |
| Manufacturer | Bonitoto |
| Manufacturer Minimum Age (MONTHS) | 36 |
| Manufacturer Part Number | 11871 |
| Manufacturer Warranty Description | 1 Year Warranty Against Manufacturer Defects |
| Material Type | Plastic |
| Material Type Free | Bisphenol-A (BPA) Free, Lead Free, Phthalate Free |
| Model Number | 11871 |
| Number of Items | 1 |
| Number of Pieces | 29 |
| Number of Players | 1-2 |
| Operation Mode | manual |
| Play Activity Location | Floor |
| Power Source | Manual Winding |
| Product Style | Break Through |
| Puzzle Type | Jigsaw |
| Size | 29 PCS |
| Skill Level | All |
| Subject Character | Road Builder with Pull Back Car |
| Supported Battery Types | No batteries required |
| Theme | Smart STEM Puzzles for kids |

## Images

![Kids Toys STEM Board Games - Logical Road Builder Brain Teasers Puzzles for 3 4 5 6 7 Year Old Boys Girls, Educational Montessori Birthday Gifts for Ages 4-8 Preschool Classroom Learning (29 PCS) - Image 1](https://m.media-amazon.com/images/I/81vrc90UZfL.jpg)

## Questions & Answers

**Q: Is the pull-back bulldozer prone to breaking easily?**
A: Our pull-back bulldozer features a high-quality drive unit and durable ABS material. Simply wind up the bulldozer until you hear a ‘click,’ and then stop. Avoid over-winding, as it can damage the gears.

**Q: What should I do if the car breaks?**
A: If the car gets damaged, please reach out to us, and we will take care of it.

**Q: Was the base difficult to assemble?**
A: The installation process is straightforward and can be followed using the diagrams in the instruction manual. Align and connect the square base plates, and install the base plate at the angle shown in the diagram.

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**Shop now:** [https://www.desertcart.jp/products/776899189-kids-toys-stem-board-games-logical-road-builder-brain-teasers](https://www.desertcart.jp/products/776899189-kids-toys-stem-board-games-logical-road-builder-brain-teasers)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-06-18*