---
product_id: 227210620
title: "33974 World-Smart Tech Sound-Action Tunnel Circle Set | Interactive Toy Train Set | Enhances Motor Skills | FSC Certified Wood | Compatible with All BRIO Tracks and Vehicles"
brand: "brio"
price: "₱15385"
currency: PHP
in_stock: true
reviews_count: 7
category: "Brio"
url: https://www.desertcart.ph/products/227210620-33974-world-smart-tech-sound-action-tunnel-circle-set-interactive
store_origin: PH
region: Philippines
---

# FSC certified sustainable wood Compatible with all BRIO tracks & vehicles Battery-powered engine for dynamic play 33974 World-Smart Tech Sound-Action Tunnel Circle Set | Interactive Toy Train Set | Enhances Motor Skills | FSC Certified Wood | Compatible with All BRIO Tracks and Vehicles

**Brand:** brio
**Price:** ₱15385
**Availability:** ✅ In Stock

## Summary

> 🚂 Build memories, skills, and a greener future—one track at a time!

## Quick Answers

- **What is this?** 33974 World-Smart Tech Sound-Action Tunnel Circle Set | Interactive Toy Train Set | Enhances Motor Skills | FSC Certified Wood | Compatible with All BRIO Tracks and Vehicles by brio
- **How much does it cost?** ₱15385 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/227210620-33974-world-smart-tech-sound-action-tunnel-circle-set-interactive)

## Best For

- brio enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Portable:** Lightweight 14-piece set with a unique storage box that doubles as a play mat for on-the-go creativity
- • **Limitless Expansion:** Seamlessly integrates with all BRIO tracks and vehicles to grow your child’s railway universe
- • **Skill-Boosting Play:** Enhances spatial awareness and fine motor skills through hands-on, imaginative interaction
- • **Eco-Chic Craftsmanship:** Made from FSC certified wood with 6-layer water-based lacquer finish for durability and safety
- • **Endless Interactive Fun:** Battery-powered engine with sound & light reacts to speed for immersive play

## Overview

The Brio 33974 World-Smart Tech Sound-Action Tunnel Circle Set is a premium, battery-powered wooden train set designed for children aged 3 and up. Crafted from FSC certified wood and finished with a durable, non-toxic lacquer, it offers interactive sound and light features that respond to train speed. Compatible with all BRIO tracks and vehicles, this 14-piece set promotes creativity, spatial awareness, and fine motor skills while ensuring eco-friendly, safe play. Its compact design includes a storage box that doubles as a play mat, making it perfect for both home and travel.

## Description

Brio, founded in Sweden in 1884, has been creating the highest quality wooden toys that have entertained and educated children for generations. This Brio 33974 World-Smart Tech Sound-Action Tunnel Circle Set is a testament to Brio's commitment to design, quality, and craftsmanship, offering lasting value. This comprehensive play set offers a complete miniature city experience, featuring a motorized Metro city train, a passenger train, a cargo train, a station with a mechanical lift, a shipping port with a magnetic crane, a vivid red tunnel, and three unique train trestle bridges. The battery-powered light and sound engine create more light and train sounds the faster you push it, adding to the realistic play experience. The set is also expandable, compatible with all other BRIO tracks and vehicles, allowing your child's railway world to grow with them. The set helps children understand their environment in a fun, engaging way, and enhances their spatial awareness and fine motor skills. The set is made from solid Beech wood, sanded smooth, and meticulously painted with 6 coats of water-based lacquer for a chip-resistant, vibrant finish. Brio takes pride in conducting over 1,000 safety tests a year, ensuring that their toys are safe for children. Moreover, this set is made with FSC certified wood from well-managed forests, reflecting Brio's commitment to sustainability. The set comes complete with a special storage box that also opens up into a unique Brio world play mat, offering additional play possibilities. Choose the Brio 33974 World-Smart Tech Sound-Action Tunnel Circle Set for a fun, engaging, and eco-friendly play experience.

Review: You don’t need to use the app - This is a really fun set my son loves it and you can program it with your own voice without using an app. It’s simple and fun.
Review: Great Train Though Costly - We bought this train set for my 3 year old granddaughter and she loves it. We really need to expand the track as the track that comes with it is only enough to make a small circle. It is quality construction but still a small set for the price.

## Features

- INTERACTIVE PLAY: The set includes a battery-powered engine, 8 tracks, 2 action tunnels, a figure and a sign, offering endless hours of imaginative play - batteries not included
- FOSTER CREATIVITY: Perfect for the creative toddler, this set is an ideal gift for Christmas or any holiday, designed for kids aged 3 and up, stimulating creativity and imagination
- EXPANDABLE PLAY SET: As your child grows, their railway world can too, with this set being compatible with all other BRIO railway tracks and vehicles, offering limitless possibilities
- SKILL DEVELOPMENT: This train set not only offers fun but also helps improve children's spatial awareness and fine motor skills through interactive play
- ECO-FRIENDLY AND SAFE: Made with FSC certified wood from well-managed forests and passing over 1,000 safety tests a year, this set is safe for your child and kind to our planet

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Number of Pieces | 14 |
| Item Weight | 796 Grams |
| Item Dimensions | 40.98 x 60 inches |
| Style Name | Child |
| Occasion Type | gift, Easter, Christmas, Holiday, Birthday |
| Collection Name | Toy Vehicles or Transportation Toys |
| Color | Natural Wood |
| Theme | Transportation |
| Frame Material | wood |
| Base | wooden |
| Material Type | Wood |
| Required Assembly | No |
| CPSIA Cautionary Statement | No Warning Applicable |
| Not for Kids | No |
| Number of Batteries | 2 AAA batteries required. |
| Compatibility Options | BRIO tracks and vehicles |
| Includes Rechargeable Battery | No |
| Rail Gauge | Standard Gauge (1,435 mm) |
| Number of Players | 1+ |
| Special Features | Portable |
| Includes Remote? | No |
| Skill Level | All |
| Is Electric | Yes |
| Power Source | Battery Powered |
| Battery Type | 2 AAA batteries required |
| Educational Objective | Spatial Awareness, Fine Motor Skills |

## Images

![33974 World-Smart Tech Sound-Action Tunnel Circle Set | Interactive Toy Train Set | Enhances Motor Skills | FSC Certified Wood | Compatible with All BRIO Tracks and Vehicles - Image 1](https://m.media-amazon.com/images/I/61JJI2+fY2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ You don’t need to use the app
*by "***" on October 30, 2024*

This is a really fun set my son loves it and you can program it with your own voice without using an app. It’s simple and fun.

### ⭐⭐⭐⭐⭐ Great Train Though Costly
*by R***E on January 21, 2022*

We bought this train set for my 3 year old granddaughter and she loves it. We really need to expand the track as the track that comes with it is only enough to make a small circle. It is quality construction but still a small set for the price.

### ⭐⭐⭐⭐⭐ Worth every penny
*by C***Y on March 19, 2021*

My grandson loves everything about these trains, I love that they are very affordable and durable, looks great and really neat features.

## Frequently Bought Together

- Brio 33974 World-Smart Tech Sound-Action Tunnel Circle Set | Interactive Toy Train Set | Enhances Motor Skills | FSC Certified Wood | Compatible with All BRIO Tracks and Vehicles
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**Shop now:** [https://www.desertcart.ph/products/227210620-33974-world-smart-tech-sound-action-tunnel-circle-set-interactive](https://www.desertcart.ph/products/227210620-33974-world-smart-tech-sound-action-tunnel-circle-set-interactive)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-06-05*