Introduction
This manual provides detailed instructions for assembling, operating, and maintaining your HOGOKIDS Fish Tank Building Set (Model 7023). This set allows you to construct a realistic underwater world featuring various marine life and interactive elements, including LED lighting and movable components.
Please read these instructions carefully before beginning assembly to ensure a smooth and enjoyable building experience.
Package Contents
Before starting, verify that all components are present. The package should contain:
- Building Blocks (725 pieces)
- Instruction Manual
- Removable Ocean Background Board
- 2 LED Lights
- 2 LR44 Batteries (pre-installed or included separately for LED lights)

Figure 1: Overview of included components and dimensions.
Setup Instructions
Follow the step-by-step instructions provided in the included instruction manual to assemble the building set. Ensure each piece is securely connected.
- Base Assembly: Begin by constructing the base of the fish tank according to the manual.
- Marine Life Construction: Assemble the various marine creatures such as jellyfish, fish, and crabs, along with coral and plant elements.
- Movable Mechanism Integration: During assembly, integrate the components that allow the jellyfish, crabs, and fish to move. Pay close attention to the gear and lever placements.
- LED Light Installation: Install the two LED lights into their designated positions on the top frame of the aquarium. Ensure batteries are correctly inserted (2 LR44 batteries required).
- Background Board Placement: Insert the removable ocean background board into the rear slot of the assembled tank. This board enhances the visual depth of the aquarium.

Figure 2: The completed HOGOKIDS Fish Tank Building Set.

Figure 3: Installation of the removable background board.
Operating Instructions
- LED Lights: The aquarium building toy is equipped with 2 LED lights. To activate the lights, locate the switch on each light unit and toggle it to the 'ON' position. To turn off, toggle the switch to 'OFF'.
- Movable Elements: Rotate the knob located on the side of the fish tank. This action will cause the jellyfish, crabs, and fish within the aquarium to move, simulating swimming motions.

Figure 4: LED light operation, showing the set with lights off and on.

Figure 5: Demonstration of the movable elements and control knob.
Maintenance
- Cleaning: To clean the set, gently wipe with a dry or slightly damp cloth. Avoid using harsh chemicals or abrasive cleaners.
- Storage: Store the building set in a cool, dry place away from direct sunlight to prevent discoloration or damage to the plastic components.
- Battery Replacement: If the LED lights dim or stop working, replace the LR44 batteries. Ensure correct polarity when inserting new batteries.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Missing pieces | Manufacturing error or packaging oversight. | Contact HOGOKIDS customer service for replacement parts. Refer to the "Warranty & Support" section. |
| Pieces are difficult to snap together | Incorrect alignment or slight manufacturing variations. | Ensure pieces are correctly oriented. Apply firm, even pressure. Avoid forcing pieces to prevent damage. |
| LED lights do not turn on | Dead batteries, incorrect battery insertion, or switch is off. | Check that the switch is in the 'ON' position. Verify batteries are inserted with correct polarity. Replace batteries if necessary (2 LR44). |
| Movable elements are not functioning | Incorrect assembly of the internal mechanism or gears. | Review the assembly steps for the movable mechanism (refer to the instruction manual). Ensure all gears and connecting parts are correctly aligned and securely attached. |
Specifications
- Brand: HOGOKIDS
- Model Number: 7023
- Product Dimensions: 1 x 1 x 1 inches (approximate assembled size)
- Item Weight: 1 pound
- Number of Pieces: 725
- Recommended Age: 6 years and up
- Batteries Required: 2 LR44 (included for LED lights)
Warranty and Support
HOGOKIDS building kits come with a 24-month return and replacement warranty. If you encounter any issues or have questions regarding your product, please do not hesitate to contact HOGOKIDS customer service. They are committed to providing satisfactory service.
For customer support, please refer to the contact information provided on the product packaging or the official HOGOKIDS website.




