---
product_id: 371075071
title: "BRIO World Smart Tech Sound Waterfall Tunnel for Kids Age 3 Years Up - Wooden Railway Expansions and Accessories"
brand: "brio"
price: "€ 55.06"
currency: EUR
in_stock: false
reviews_count: 1
url: https://www.desertcart.nl/products/371075071-brio-world-smart-tech-sound-waterfall-tunnel-for-kids-age
store_origin: NL
region: Netherlands
---

# FSC-certified European beech wood Smart Tech Sound interactive effects 4-piece modular expansion set BRIO World Smart Tech Sound Waterfall Tunnel for Kids Age 3 Years Up - Wooden Railway Expansions and Accessories

**Brand:** brio
**Price:** € 55.06
**Availability:** ❌ Out of Stock

## Summary

> 🚂 Elevate playtime with sound, style, and sustainable adventure!

## Quick Answers

- **What is this?** BRIO World Smart Tech Sound Waterfall Tunnel for Kids Age 3 Years Up - Wooden Railway Expansions and Accessories by brio
- **How much does it cost?** € 55.06 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/371075071-brio-world-smart-tech-sound-waterfall-tunnel-for-kids-age)

## 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

- • **Seamless Expansion:** Classic BRIO magnetic couplings and wooden tracks ensure effortless connection to your growing railway world.
- • **Safety-First Design:** Tested beyond legal standards to guarantee safe, worry-free fun for kids aged 3 and up.
- • **Dual Adventure Routes:** Choose between ascending tracks over a rickety bridge or daring the echo tunnel for dynamic storytelling.
- • **Immersive Soundscapes:** Activate jungle and waterfall sounds with Smart Tech Sound tech for a multi-sensory play experience.
- • **Eco-Friendly Craftsmanship:** Made from FSC-certified European beech wood combined with durable, high-quality plastics for lasting play.

## Overview

The BRIO World Smart Tech Sound Waterfall Tunnel is a 4-piece wooden railway expansion set featuring interactive jungle and waterfall sounds activated by pairing with the Record & Play Engine. Crafted from FSC-certified European beech wood and high-quality plastics, it offers two adventurous routes and classic magnetic couplings for seamless integration with existing BRIO sets. Designed for children aged 3+, it meets stringent safety standards, making it a perfect gift to spark imagination and problem-solving skills.

## Description

Listen to the sounds of the jungle and the calming pitter-patter of running water as you pass through the 33978 Smart Tech Sound Waterfall Tunnel on a new railway adventure. Pair this railway accessory with the 33971 Record & Play Engine (not included) to activate playful Smart Tech Sound features and bring the play environment to life. There are two routes to traverse this massive waterfall – either drive up the ascending tracks and take the rickety, old bridge over the top, or brave the dark caves and hope to make it through the gushing waters to the other side. Either way, watch out for creepy crawlies! This item includes 4 pieces: 1x Waterfall Tunnel, 1x Echo Action Tunnel, 2x Ascending Wooden Tracks. and measures 66.7 x 26.5 x 13.1cm. Crafted using FSC sourced European beech wood and high-quality plastics the BRIO World railway range is suitable for ages 3 Years and up and make ideal gifts for boys and great gifts for girls. BRIO Trains, Engines, Wagons, Carriages, and Vehicles feature the classic BRIO magnetic couplingsfor easily hook up! All train sets, rails, accessories and destinations feature the classic wooden train track allowing for easy connection to each other and expand your ever expanding BRIO World. We know that children sometimes play with toys in other ways than expected. That’s why we test our products thoroughly to our strict safety requirements which in many cases are tougher than the legal requirements. BRIO Railway Sets make a great birthday gift or smashing Christmas gift

Review: Onze smartec trein was al wat ouder en diende eerst geüpdatet te worden via de brio app. Nadien werkte alles zeer goed.

## Features

- Listen to the sounds of the jungle and the calming pitter-patter of running water as you pass through the 33978 Smart Tech Sound Waterfall Tunnel on a new railway adventure. Pair this railway accessory with the 33971 Record & Play Engine (not included) to activate playful Smart Tech Sound features and bring the play environment to life.
- This item includes 4 pieces: 1x Waterfall Tunnel, 1x Echo Action Tunnel, 2x Ascending Wooden Tracks. and measures 66.7 x 26.5 x 13.1cm
- BRIO Trains, Engines, Wagons, Carriages, and Vehicles feature the classic BRIO magnetic couplingsfor easily hook up! All train sets, rails, accessories and destinations feature the classic wooden train track allowing for easy connection to each other and expand your ever expanding BRIO World.
- Crafted using FSC sourced European beech wood and high-quality plastics the BRIO World railway range is suitable for ages 3 Years and up and make ideal gifts for boys and great gifts for girls.
- We know that children sometimes play with toys in other ways than expected. That’s why we test our products thoroughly to our strict safety requirements which in many cases are tougher than the legal requirements. BRIO Railway Sets make a great birthday gift or smashing Christmas gift

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XBD33L6 |
| Assembly Required | No |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #114,106 in Toys ( See Top 100 in Toys ) #165 in Kids' Trains & Railed Vehicle Playsets |
| Color | Multi-coloured |
| Customer Reviews | 4.0 4.0 out of 5 stars (7) |
| Date First Available | 24 February 2021 |
| Educational Objective(s) | Imagination Development, Problem Solving Skill |
| Item model number | 63397800 |
| Language | English, French, German, Italian, Spanish |
| Manufacturer recommended age | 3 years and up |
| Material Type(s) | Wood Plastic |
| Number of Game Players | 1+ |
| Number of Puzzle Pieces | 4 |
| Product Dimensions | 26.5 x 66.7 x 13.1 cm; 902 g |
| Rail Gauge | 1435 mm |
| Release date | 17 September 2021 |
| Remote Control Included? | No |
| Scale | HO |
| material_composition | not known |
| tech_spec_battery_description_toys | requires battery power |

## Images

![BRIO World Smart Tech Sound Waterfall Tunnel for Kids Age 3 Years Up - Wooden Railway Expansions and Accessories - Image 1](https://m.media-amazon.com/images/I/41d+gce29LL.jpg)
![BRIO World Smart Tech Sound Waterfall Tunnel for Kids Age 3 Years Up - Wooden Railway Expansions and Accessories - Image 2](https://m.media-amazon.com/images/I/41hwSqJkGGL.jpg)
![BRIO World Smart Tech Sound Waterfall Tunnel for Kids Age 3 Years Up - Wooden Railway Expansions and Accessories - Image 3](https://m.media-amazon.com/images/I/511OJO5nuKL.jpg)
![BRIO World Smart Tech Sound Waterfall Tunnel for Kids Age 3 Years Up - Wooden Railway Expansions and Accessories - Image 4](https://m.media-amazon.com/images/I/51GN4RV4MbL.jpg)
![BRIO World Smart Tech Sound Waterfall Tunnel for Kids Age 3 Years Up - Wooden Railway Expansions and Accessories - Image 5](https://m.media-amazon.com/images/I/51jCUq+euaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***T on 11 April 2024*

Onze smartec trein was al wat ouder en diende eerst geüpdatet te worden via de brio app. Nadien werkte alles zeer goed.

## Frequently Bought Together

- BRIO Smart Tech Sound Waterfall Tunnel - Interactive Train Set Accessory | Enhances Motor Skills | Child-Safe | FSC-Certified Wood Material
- BRIO World 33402 Expansion Pack Intermediate - Wooden Train Set for Kids | Enhances Creativity | Compatible with All BRIO Train Sets | FSC Certified | Ideal for Ages 3 and Up

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-24*