






🌟 Elevate Playtime: Where Sound Meets Adventure in Every Track!
The BRIO World 33978 Smart Tech Sound Waterfall Tunnel is a premium wooden train accessory designed for children aged 3 and up. Crafted from FSC-certified sustainable wood, it features interactive sound effects when paired with the Smart Tech Sound Lok (sold separately), offering immersive waterfall and tunnel audio experiences. With two unique crossing paths and compatibility across the BRIO World range, it encourages imaginative play and cognitive development without requiring batteries.











| ASIN | B08XBD33L6 |
| Age Range (Description) | From 3 years |
| Age Range Description | From 3 years |
| Battery Description | Requires battery power |
| Best Sellers Rank | #400,477 in Toys & Games ( See Top 100 in Toys & Games ) #408 in Kids' Trains & Railed Vehicle Playsets |
| Brand | BRIO |
| Customer Reviews | 4.0 out of 5 stars 7 Reviews |
| Educational Objective | Fantasy development, problem solving ability |
| Global Trade Identification Number | 07312350339789 |
| Included Components | Waterfall tunnel, ramp tracks |
| Is Assembly Required | No |
| Item Dimensions | 26.5 x 66.7 x 13.1 Centimeters |
| Item Type Name | BRIO Railway |
| Item Weight | 902 Grams |
| Item dimensions L x W x H | 26.5 x 66.7 x 13.1 Centimeters |
| Manufacturer | Ravensburger |
| Manufacturer Part Number | 63397800 |
| Material | Wood Plastic |
| Maximum Recommended age | 1188 |
| Minimum Recommended age | 36 |
| Model Number | 63397800 |
| Operation Mode | Manual |
| Power Source | Battery powered |
| Scale | G |
| Size | 29 x 27 x 14 cm |
| Sub Brand | BRIO |
| Unit Count | 1.0 Count |
B**T
Werkt goed
Onze smartec trein was al wat ouder en diende eerst geüpdatet te worden via de brio app. Nadien werkte alles zeer goed.
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