Introduction
This manual provides essential information for the use and care of your MEGA BLOKS First Builders Deluxe Building Bag. Designed for toddlers aged 1+ years, this set encourages creativity and fine motor skill development through open-ended play. The 150 large, easy-to-grip blocks are perfect for little hands to stack, build, and explore.
What's in the Box
Your MEGA BLOKS First Builders Deluxe Building Bag includes the following items:
- 150 big building blocks in various shapes, sizes, and colors.
- 1 reusable storage bag for convenient cleanup and portability.

Image: The MEGA BLOKS First Builders Deluxe Building Bag, showcasing the 150 colorful blocks and children engaged in building activities.
Key Features
- Perfect Fit for Little Hands: Blocks are easy to grip, stack, and pull apart, designed specifically for toddlers.
- First Blocks in Home: Features 150 large building blocks, including special shapes, ideal for introducing construction play.
- Creative Learning Play: Encourages toddlers to build anything they imagine while learning colors and developing cognitive skills.
- For Preschoolers Ages 1+: Big blocks aid in developing creativity, imagination, and fine motor skills.
- Grow with MEGA BLOKS: Compatible with other MEGA BLOKS building toys to expand play possibilities.

Image: A close-up of a child's hand holding a large blue block, illustrating the ergonomic design for small hands.
Setup
The MEGA BLOKS First Builders Deluxe Building Bag requires minimal setup. Follow these steps to begin play:
- Unzip the reusable storage bag.
- Carefully remove all 150 building blocks from the bag.
- Inspect all blocks for any damage or manufacturing defects before first use.
- Ensure the play area is clean and clear of any small objects that could pose a choking hazard.
Operating Instructions
MEGA BLOKS are designed for intuitive and creative play. There are no complex operating procedures. Encourage children to:
- Connect Blocks: Press the studs of one block firmly onto the holes of another block to connect them.
- Disconnect Blocks: Gently pull blocks apart to separate them.
- Build Structures: Experiment with different block shapes and sizes to create towers, animals, vehicles, or anything they can imagine.
- Explore Colors and Shapes: Use the variety of colors and shapes to introduce basic concepts to children during play.

Image: Two young children happily building a large, colorful structure with MEGA BLOKS, highlighting the product's target age range.

Image: A display of various creative constructions made from MEGA BLOKS, such as a plane, a giraffe, and a camel, to inspire building ideas.
Maintenance
To ensure the longevity and hygiene of your MEGA BLOKS, follow these simple maintenance guidelines:
- Cleaning: Wipe blocks with a damp cloth and mild soap. Rinse thoroughly with water and air dry completely before storing. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store all blocks in the provided reusable bag or a clean, dry container away from direct sunlight and extreme temperatures.
- Regular Inspection: Periodically check blocks for any signs of wear, cracks, or damage. Discard any broken blocks to prevent injury.

Image: A mother and child demonstrating the ease of storing the blocks in the provided reusable bag after playtime.
Important Safety Information
Please read and adhere to the following safety precautions:
- Adult Supervision: Always supervise children during play, especially those under 3 years of age.
- Choking Hazard: While blocks are large, ensure children do not attempt to put them in their mouths.
- Keep Away from Naked Flame: Do not expose blocks to open flames or high heat sources.
- Intended Use: This product is intended for building and creative play only. Do not use for any other purpose.
Troubleshooting
If you encounter any issues with your MEGA BLOKS, consider the following:
- Blocks Not Connecting Firmly: Ensure the blocks are aligned correctly and apply gentle, even pressure. Over time, slight wear may occur, but they should still connect.
- Difficulty Separating Blocks: Twist blocks slightly while pulling apart if they are stuck. Avoid excessive force to prevent damage.
- Missing Pieces: Count your blocks periodically. If pieces are consistently going missing, establish a designated play area and storage routine.
Specifications
| Product Dimensions | 17 x 11.5 x 6.5 inches |
| Item Weight | 4.44 pounds |
| ASIN | B00U26LT34 |
| Item Model Number | CNM43 |
| Manufacturer Recommended Age | 3 years and up (Note: Product description states 1+ years) |
| Manufacturer | Mattel |
| Release Date | November 25, 2025 |
Warranty and Support
For information regarding product warranty, returns, or customer support, please refer to the contact information provided on the product packaging or visit the official Mega Brands website. Keep your purchase receipt as proof of purchase.





