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🧩 Unlock your toddler’s imagination—one block at a time!
The First Builders Deluxe Building Bag by Mega Bloks offers 150 large, colorful blocks designed specifically for toddlers aged 1 and up. These easy-to-handle pieces promote creativity, fine motor skills, and early learning, while the included storage bag ensures quick cleanup. Compatible with other Mega Bloks sets, this Amazon-exclusive toy is a top-rated, must-have starter building set for preschoolers.





| Additional Features | Stackable |
| Age Range Description | Toddler |
| Asin | B00U26LT34 |
| Best Sellers Rank | #392 in Toys & Games (See Top 100 in Toys & Games) #14 in Toy Building Sets |
| Brand Name | Mega Bloks |
| Color | Multicolor |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.8 4.8 out of 5 stars (8,864) 4.8 out of 5 stars |
| Educational Objective | Intelligence Development |
| Global Trade Identification Number | 00065541383890, 06554138389017 |
| Included Components | Toy |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions | 17 x 11.5 x 6.5 inches |
| Item Part Number | 900 CNM43 |
| Item Type Name | Toy |
| Item Weight | 4.4 pounds |
| Manufacturer | Mattel |
| Manufacturer Maximum Age Months | 60 |
| Manufacturer Minimum Age Months | 12 |
| Manufacturer Part Number | CNM43 |
| Manufacturer Warranty Description | No Warranty |
| Material Type | Plastic |
| Model Name | First Builders Deluxe Building Bag |
| Model Number | CNM43 |
| Model Year | 2015 |
| Number Of Packs | 1 |
| Number Of Pieces | 150 |
| Number Of Players | Unlimited |
| Operation Mode | Manual |
| Power Source | Manual |
| Set Name | Deluxe Building Bag |
| Size | Deluxe 150-Piece |
| Sub Brand | Mattel |
| Subject Character | Builders |
| Supported Battery Types | No batteries required |
| Target Audience | Boys |
| Theme | Vehicle |
| Toy Building Block Type | Stacking Toy Building Block |
| Unit Count | 1 Count |
| Upc | 065541383890 |
User
Great Toy, Fun
My toddler has so much fun with this block set. It’s a good size and I’m not afraid of stepping on the floor and hurting my foot with these. I would say these are durable after I’ve seen what they go through. The age range is accurate. It feels safe enough since these are huge and I don’t have to worry about small pieces. These really bring out my kids creativity. They also enjoy the variety of colors and I like pointing and asking what color the blocks are so it’s also kind of a good learning tool at the same time. They are easy to assemble, but can be a little time consuming to put away since there are so many pieces and you have to find each one (well with my kids at least lol). I also appreciate that it came with a nice storage bag to keep everything in one place. I love toys that come with their own containers to help keep things organized and no missing pieces.
User
A must for toddlers!
The best building blocks ever! My toddler loves playing with these every single day. There are a lot of different sizes and shapes so you can make tons of designs and structures. It’s very easy to play with, great STEM development and just overall so fun and cute!
User
Great for little builders
Our 2yo has really started loving to build with blocks and is loving these. The colors are great for recognition and he enjoys seeing how tall he can build them.
User
Nice item!
Grandkids love them, have 3 other sets and Amazon has three best price!
User
A must have for the kids!
My kids and I enjoy building whatever their little hearts inspire that day. Great fit, color, and quality for endless fun.
User
Fun Blocks!
These are a goto fave for my son with autism. The bag is practical for storage and it comes with so many blocks! Highly recommend!
User
Great for toddlers
Great colors great selection. Easy to clean and fun for all ages. Our toddler loves them they are easy for her to put together and take a part
User
Perfect for a 1 year old!
Awesome for a 1 year old!I was a bit skeptical if my son would be able to play with the blocks, but after showing him how to take them apart and put them together slowly several times, he seems to be getting good at it, he can pull the pieces apart and place them on top of each other, getting there.Also the quality is great, and the pieces are big enough not to worry about choking hazards.There are a lot of pieces of varying designs so you can create fun structures and watch your little one take them apart.
User
Belli ad un ottimo prezzo
Una bella confezione ricca di pezzi. Buone la fattura e la plastica, comoda la sacca contenirore, diversi pezzi "speciali", unico neo della nostra sacca pochi i pezzi da tre, solo un paio. Al mio bimbo di 15 mesi non dispiacciono affatto, ora come ora assembla pochi pezzi, ma si diverte molto. Gli incastri non sono fortissimi, è vero, ma credo si debba tener conto che sono fatti per bimbi anche molto piccoli e se si incastrassero "troppo bene" non riuscirebbero a farci gran che non riuscendo o ad incastrarli bene o a smontarli all'occorrenza. Io sono soddisfatta, per lo stesso prezzo di 14,99 al supermercato non avrei comprato nemmeno 30 blocchi! Consigliati
User
小さな子も遊べる
1歳8ヵ月の孫のために購入。喜んで遊んでます
User
Perfect
Exactly as advertised. Just perfect
User
Good stuff
Good stuff and quantity for kids to play
User
intemporel
offert pour mon petit fils pour ses un ans ce cadeau a ravis toute sa fratrie les blocs sont de bonne qualite, le sac de rangement egalement. du coup meme la grande soeur de 5 ans et le grand frere de 11ans fond des concours de la plus belle realisation et il y a de quoi faire. apres le principal destinataire s'en amuse aussi, il n'a pas encore exploite ses talents d'architecte mais se regale à les taper les un les autre ou a vider puis remettre dans le sac.aussi j'ai l'intention dee joindre l'utile a l'agreable en inscrivant des lettre dessus et utiliser une methode ludique pour l'initier à la lecture,
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