Product Overview
The Mega Bloks Junior Builders Build-a-Story (Classic) set is designed to inspire imagination and creativity in young children. This playset features medium-sized blocks, suitable for preschool-aged children, enabling easy construction. It includes 60 colorful blocks, building cards with simple instructions, and fun stickers to enhance creative play. The set comes with a sturdy plastic storage bin for convenient cleanup and organization.

Image: The Mega Bloks Junior Builders Build-a-Story 60 Piece Tub, showcasing the red tub with a blue lid, alongside several colorful block creations including a dragon-like figure and other small builds.
Key Features:
- 60 medium-sized blocks, ideal for small hands.
- Building cards to provide inspiration and simple construction guidance.
- Fun sticker sheet for customizing blocks and creations.
- Durable storage container for easy organization and cleanup.
- Compatible with other Mega Bloks Junior Builders sets for expanded play possibilities.
Setup and Assembly
The Mega Bloks Junior Builders set requires minimal setup. Upon unboxing, ensure all 60 pieces are present. The set includes a sheet of stickers that can be applied to various blocks to add decorative elements and character. It is recommended to apply these stickers before initial play, as they are not pre-applied.

Image: A detailed view of the Mega Bloks Junior Builders tub, highlighting the product label which illustrates building ideas and indicates the inclusion of a sticker sheet.
The blocks are designed for easy connection and disconnection, promoting fine motor skill development. Refer to the included building cards for initial construction ideas, or encourage free-form building.
Operating Instructions
Using the Mega Bloks Junior Builders set is intuitive and encourages creative play. Children can connect the blocks by aligning the studs on one block with the holes on another and pressing them together. To disconnect, gently pull the blocks apart.
Building Activities:
- Guided Building: Utilize the included building cards. These cards provide visual instructions for constructing specific figures, such as dragons or other creatures, helping children follow steps and achieve a desired outcome.
- Free-Form Building: Encourage children to explore their own imagination. The versatile nature of the blocks allows for the creation of countless structures, vehicles, animals, and more.
- Combining Sets: For expanded building possibilities, this set can be combined with other Mega Bloks Junior Builders sets. This allows for larger and more complex constructions, fostering extended play.

Image: An assortment of completed block figures, including a large green and yellow dragon-like structure and a smaller, multi-colored creature, demonstrating the creative potential of the blocks.
Maintenance and Care
Proper maintenance ensures the longevity and hygiene of the building blocks. The plastic construction allows for easy cleaning.
Cleaning Instructions:
- Wipe blocks with a damp cloth and mild soap if necessary.
- Rinse thoroughly with clean water to remove any soap residue.
- Allow blocks to air dry completely before storing to prevent mold or mildew.
- Do not use harsh chemicals or abrasive cleaners, as these may damage the plastic or printed designs.
Storage:
The set includes a sturdy plastic storage tub. After play, encourage children to place all blocks back into the tub for quick and easy cleanup. While the lid provides coverage, it is designed to sit on top rather than securely latch, so handle with care to prevent spills.

Image: The Mega Bloks Junior Builders storage tub with its blue lid in place, illustrating its function for convenient storage of the building blocks.
Troubleshooting
This section addresses common concerns or issues that may arise with the product.
| Issue | Possible Cause / Solution |
|---|---|
| Missing Pieces: The set appears to have fewer than 60 blocks. | Carefully check the packaging and play area. If pieces are genuinely missing upon initial opening, contact Mega Brands customer service for assistance. |
| Stickers not adhering well: Applied stickers peel off easily. | Ensure the block surface is clean and dry before applying stickers. Press firmly to ensure good adhesion. Young children may naturally peel off stickers during play. |
| Tub lid does not secure tightly: The lid rests loosely on the tub. | This is by design. The lid is intended to sit on top for easy access and storage, not to create an airtight or secure seal. Exercise care when moving the tub to prevent contents from spilling. |
| Difficulty connecting/disconnecting blocks: Blocks are too hard or too loose to fit. | Ensure blocks are aligned correctly. Some blocks may require a firm push to connect, which can be a beneficial challenge for developing fine motor skills. If blocks are consistently too loose or too tight, inspect for any manufacturing defects. |
Specifications
| Attribute | Detail |
|---|---|
| Product Name | Mega Building Blocks Build-a-Story 60 Piece Tub (Classic) |
| Model Number | CYR24 (also known as 7581) |
| Brand | Mega Brands |
| Number of Pieces | 60 |
| Recommended Age | 24 months - 5 years |
| Product Dimensions | 12 x 8 x 8 inches (30.5 x 20.3 x 20.3 cm) |
| Item Weight | 1.67 pounds (0.76 kg) |
| Country of Origin | China |
| Manufacturer | Mattel |

Image: A diagram illustrating the approximate dimensions of the Mega Bloks Junior Builders tub, indicating a height of 8.3 inches (21 cm).
Customer Support
For any inquiries regarding missing parts, product defects, or general assistance, please contact Mega Brands customer service. Refer to the packaging or the official Mega Brands website for the most current contact information.
Note: While this manual provides general guidance, specific issues may require direct communication with the manufacturer.

