1. Introduction
Thank you for choosing the Yeahbo 12-in-1 Marine Organism Building Block Set. This set is designed to provide an engaging and educational building experience for children, allowing them to construct 12 different marine creatures. This manual provides essential information for safe assembly, operation, and maintenance of the product.

Figure 1: Overview of the 12-in-1 Marine Organism Building Block Set.
2. Safety Information
- Recommended Age: This product is recommended for children aged 6-12 years.
- Small Parts Warning: This set contains mini blocks, and some small parts are less than 1cm. Keep out of reach of children under 3 years old to prevent choking hazards.
- Material Safety: The building blocks are made of high-quality ABS plastic, which is non-toxic, lead-free, BPA-free, and phthalate-free. All components undergo rigorous lab tests to ensure 100% child safety.
- Supervision: Adult supervision is recommended during assembly and play, especially for younger children within the recommended age range.
- Handling: Ensure children do not put blocks in their mouths.
3. Package Contents
The 12-in-1 Marine Organism Building Block Set includes:
- 12 individual mini building block sets, each designed to construct a unique marine creature.
- Individual instruction manuals for each of the 12 marine creatures.
The 12 marine creatures included are:
- Clownfish
- Manta Ray
- Octopus
- Lobster
- Shark
- Pomfret
- Pink Dolphin
- Sea Turtle
- Lantern Fish
- Mini Crab
- Swordfish
- Killer Whale

Figure 2: The 12 sea animal models and a sample assembly diagram.
4. Setup and Assembly
4.1 Unboxing
- Carefully open the main packaging of the 12-in-1 set.
- You will find 12 individually packaged mini building block sets inside.
- Each mini set contains the necessary blocks and a dedicated instruction manual for one marine organism.

Figure 3: Unboxing and identifying parts for a single model.
4.2 Assembly Instructions
No glue is needed for assembly. The blocks are designed for easy interlocking.
- Choose one of the 12 mini building block sets you wish to assemble.
- Open the individual package and locate the instruction manual specific to that marine creature.
- Carefully follow the step-by-step diagrams and instructions provided in the individual manual to construct the model.
- Ensure all blocks are firmly connected to prevent the model from falling apart during play.
- Once assembled, the models can be disassembled and reassembled as desired.

Figure 4: General building block assembly process.
5. Operating and Educational Benefits
This building block set is designed to be a 'Play-and-Learn' toy, offering numerous educational benefits:
- STEM Education: Stimulates children's brains to think during the building process, improving imagination and creativity.
- Motor Skills: Helps children exercise fine motor skills and hand-eye coordination.
- Cognitive Development: Enhances logical thinking skills and problem-solving abilities.
- Social Ability: Improves language and social skills through collaborative play.
- Concentration: Develops practical ability and focus.
- Marine Life Recognition: Children can easily learn and recognize the shape and structure of various marine life by building them.

Figure 5: Children engaging with the building blocks and their educational benefits.
6. Maintenance
6.1 Cleaning
- To clean the building blocks, wipe them with a soft, damp cloth.
- Do not use harsh chemicals or abrasive cleaners, as these may damage the plastic.
- Ensure blocks are completely dry before storing to prevent moisture damage.
6.2 Storage
- Store the building blocks in a cool, dry place away from direct sunlight.
- Keep them in their original packaging or a suitable storage container to prevent loss of small parts.
7. Troubleshooting
- Missing Parts: If you find any missing parts upon opening a new set, please contact the seller immediately for assistance.
- Difficulty Assembling: Review the specific instruction manual for the model you are building. Ensure all steps are followed correctly. Some parts are very small, requiring careful handling.
- Blocks Not Connecting Properly: Check for any debris or damage on the blocks. Ensure you are using the correct blocks as indicated in the instructions.
8. Specifications
| Feature | Detail |
|---|---|
| Product Name | 12-in-1 Marine Organism Building Block Set |
| Brand | Yeahbo |
| Model | QT-HYSW (Light Grey variant) |
| Material | High-quality ABS Plastic |
| Theme | Animals (Marine Organisms) |
| Recommended Age | 6-12 Years |
| Number of Models | 12 unique marine creatures |
| Package Dimensions (L x W x H) | 28 cm x 22 cm x 11 cm (approx. 11 x 8.7 x 4.3 inches) |
| Package Weight | 0.428 kg (approx. 0.94 lbs) |
| Individual Model Size (e.g., Sea Turtle) | Approx. 2.5 inches (width) x 1.25 inches (height) |

Figure 6: The 12-in-1 concept with a central shark and surrounding marine creatures.
9. User Tips
- Small Size Awareness: These are mini blocks, and the assembled models are also compact. For example, a sea turtle model measures approximately 2.5 inches wide by 1.25 inches high. The individual boxes are small, making them suitable for gift bags or party favors.
- Organize Parts: Before starting assembly, it can be helpful to sort the blocks by color or shape to make the building process smoother.
- Refer to Individual Manuals: Each of the 12 marine creatures comes with its own specific instruction manual. Always refer to the correct manual for the model you are building.
- Creative Play: While instructions are provided, encourage children to use their imagination to create their own unique marine creatures or scenes once they are familiar with the blocks.
10. Warranty and Support
For any questions, concerns, or issues encountered with your 12-in-1 Marine Organism Building Block Set, such as missing parts or difficulties during assembly, please contact the seller directly. They will be able to provide prompt assistance and solutions.
A detailed user manual in PDF format is also available for download and reference: User Manual (PDF)





