Introduction
This manual provides essential instructions for the assembly, operation, and maintenance of your Fisher-Price Thomas & Friends TrackMaster Icy Boulder Chase Set. Please read all instructions carefully before assembly and use to ensure safe and optimal performance of the product.
The Icy Boulder Chase Set allows Thomas, the No.1 blue engine, to navigate a snowy Sodor landscape, featuring an icy mountain, a bridge, and an exciting boulder chase action. This set is designed for children aged 3 years and up.
Safety Information
- Adult assembly is required for this product.
- Keep small parts away from children under 3 years of age to prevent choking hazards.
- Always supervise children during play.
- Ensure all track pieces are securely connected before operating the train.
- Do not mix old and new batteries. Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.
- Dispose of used batteries safely and responsibly.
Package Contents
Before beginning assembly, verify that all components are present. The Fisher-Price Thomas & Friends TrackMaster Icy Boulder Chase Set includes:
- 1 x Motorized Thomas Engine
- Various Track Pieces (including straight, curved, and ascending/descending sections)
- 1 x Icy Mountain Structure with Tunnel
- 1 x Bridge Structure
- 1 x Avalanche Track Piece
- Icy Boulder Accessory

Figure 1: Overview of the Thomas & Friends TrackMaster Icy Boulder Chase Set components.
Setup and Assembly
Adult assembly is required. No tools are needed for assembly.
- Unpack Components: Carefully remove all track pieces, structures, and the motorized Thomas engine from the packaging.
- Battery Installation (Thomas Engine):
- Locate the battery compartment on the underside of the motorized Thomas engine.
- Using a small Phillips head screwdriver (not included), open the battery compartment cover.
- Insert one (1) "AA" (LR6) alkaline battery, ensuring correct polarity (+/-) as indicated inside the compartment.
- Replace the battery compartment cover and secure it with the screw.
- Track Assembly:
- Refer to the diagram on the product packaging for the recommended track layout.
- Connect the track pieces by aligning the connectors and pushing them firmly together until they click into place.
- Assemble the icy mountain structure and bridge, integrating them into the track layout as shown.
- Position the avalanche track piece and the icy boulder accessory according to the diagram to enable the boulder chase action.
- Final Check: Ensure all track connections are secure and the structures are stable before placing the engine on the track.
Operating Instructions
- Place Thomas on Track: Carefully place the motorized Thomas engine onto the track, ensuring all wheels are properly seated on the rails.
- Activate Engine: Locate the ON/OFF switch on the top or side of the Thomas engine. Slide the switch to the "ON" position to start the engine.
- Observe Action: Thomas will begin to move along the track. As Thomas climbs the steep, snowy hill, the icy boulder is designed to come loose and roll down, chasing Thomas. The engine will then proceed over the bridge and through the icy landscape.
- Deactivate Engine: To stop the engine, slide the ON/OFF switch to the "OFF" position.

Figure 2: Thomas engine engaging with the icy boulder chase mechanism.
Maintenance
- Cleaning: Wipe the track pieces, structures, and engine with a damp cloth to remove dust and dirt. Do not immerse the motorized engine in water.
- Battery Care:
- Remove batteries from the engine if it will not be used for an extended period.
- Replace batteries when the engine's speed decreases or it stops functioning.
- Always dispose of used batteries properly.
- Storage: Store the set in a cool, dry place away from direct sunlight when not in use. Disassemble the track for compact storage if desired.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine does not move or moves slowly. |
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| Icy boulder does not fall or gets stuck. |
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| Track pieces disconnect during play. |
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Specifications
- Model Number: Y8752
- Brand: Fisher-Price
- Product Dimensions (Assembled): Approximately 52.07 cm (L) x 10.16 cm (W) x 33.53 cm (H)
- Item Weight: 1.53 kg
- Power Source: 1 x "AA" (LR6) Alkaline Battery (not included)
- Recommended Age: 3 years and up
- Assembly: Adult assembly required, no tools needed.
- Included Components: Motorized Thomas engine, track pieces, icy mountain, bridge, avalanche track piece, icy boulder.
Warranty Information
This product is covered by Fisher-Price's standard limited warranty. For detailed warranty terms and conditions, please refer to the warranty card included with your purchase or visit the official Fisher-Price website. Please retain your proof of purchase for warranty claims.
Support
For further assistance, replacement parts, or to report any issues with your Fisher-Price Thomas & Friends TrackMaster Icy Boulder Chase Set, please contact Fisher-Price customer service.
- Online Support: Visit the official Fisher-Price website for FAQs and support resources.
- Contact Information: Refer to the product packaging or the Fisher-Price website for regional customer service contact details.





