1. Introduction
Welcome to the exciting world of Tenhorses building blocks! This instruction manual provides detailed guidance for assembling, operating, and maintaining your Tenhorses Fish Tank Building Block Set, Model F-C8059. This set allows you to construct a vibrant underwater scene complete with marine life, a submarine, and a treasure chest, enhanced with a fantastic light kit.
2. What's Included
Your Tenhorses Fish Tank Building Block Set includes the following components:
- Building blocks for the fish tank structure.
- Building blocks for various marine animals: a shark, a turtle, a crab, and other sea creatures.
- Building blocks for a mini submarine and a treasure chest.
- Two (2) light kits to illuminate your aquarium.
- Detailed instruction manual with numbered bags for organized assembly.

Image: All building block components and instruction manual.

Image: Key marine life and accessories: Whales, Purification Water Pumps, Treasure Chest, Turtle, Submarines, Crabs.
3. Assembly Instructions
Follow the step-by-step instructions provided in the included manual. The building blocks are organized into numbered bags to simplify the assembly process. It is recommended to open bags sequentially as indicated in the manual.
3.1. General Assembly Tips
- Organize Your Workspace: Clear a flat, well-lit surface to prevent losing small pieces.
- Follow Numbered Bags: Open only the bags corresponding to the current step in the instruction manual.
- Refer to Visuals: The manual contains detailed illustrations for each step. Pay close attention to the orientation and placement of each block.
- Secure Connections: Ensure all blocks are firmly pressed together to create a stable structure.

Image: Example of numbered bags and detailed assembly steps in the instruction manual.
3.2. Assembly Process Overview
- Base Construction: Begin by assembling the base of the fish tank according to the initial steps in the manual.
- Internal Decor: Build the marine plants, coral, and other seabed elements.
- Marine Life Assembly: Construct the various fish, crab, submarine, and treasure chest figures.
- Tank Walls and Lighting: Assemble the transparent walls of the tank and integrate the light kits as instructed.
- Final Placement: Position all marine life and accessories within the tank.

Image: The completed Tenhorses Fish Tank Building Block Set.
3.3. Official Assembly Video
For a visual guide to the assembly process and lighting effects, please refer to the official video below:
Video: Official Tenhorses video demonstrating the assembly process and lighting effects of the fish tank building set.
Video: Official Tenhorses video showcasing the building process of the fish tank set.
4. Operating Instructions
The Tenhorses Fish Tank Building Block Set features an integrated light kit to enhance the visual appeal of your assembled aquarium.
4.1. Activating the Light Kit
To turn the lights on or off, locate the designated switch or rotating mechanism on the side or top of the fish tank structure. Gently rotate or press it as indicated in the assembly manual. The light kit requires batteries (not included) to function.

Image: Comparison of the fish tank with lights off (left) and lights on (right).

Image: The fish tank with its integrated light kit, demonstrating the 'Light on' and 'Light off' states.
5. Maintenance
Proper care will ensure the longevity and enjoyment of your building block set.
- Cleaning: Use a soft, dry cloth to gently wipe dust from the blocks. For stubborn dirt, a slightly damp cloth can be used, but ensure blocks are completely dry before storage.
- Storage: Store the set in a cool, dry place away from direct sunlight to prevent discoloration or warping of the plastic. The original box can be used for storage.
- Handling: Avoid excessive force when assembling or disassembling to prevent damage to the blocks.
6. Troubleshooting
Here are solutions to common issues you might encounter:
- Pieces Not Staying Together: Ensure that each block is pressed firmly into place. If a specific connection feels loose, double-check the instruction manual for correct orientation and ensure no foreign objects are preventing a secure fit.
- Missing Pieces: While rare, if you find a piece missing, please contact Tenhorses customer support with details of the missing part (as identified in the manual) and your purchase information.
- Lights Not Working: Check if the batteries are correctly installed and have sufficient charge. Ensure the switch/mechanism for the lights is fully engaged.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 9.45 x 7.87 x 2.36 inches |
| Item Weight | 1.24 pounds |
| Item Model Number | F-C8059 |
| Manufacturer Recommended Age | 6 years and up |
| Material | Quality ABS plastic |

Image: Product dimensions of the assembled fish tank.
8. Warranty & Support
Tenhorses stands behind the quality of its products. For any questions, concerns, or to report missing parts, please contact Tenhorses customer support through your retailer's platform or the official Tenhorses website. Please retain your proof of purchase for warranty claims.





