The answer from September 18, 2018 is not painting a full picture, and is slightly uninformed. Ploycarbonate (PC), like most any other plastic, can be colored. Polycarbonate is able to achieve great strength and clarity, which is why it is often used in clear applications, but you'll find colored plastic parts/products made of PC. BPA is also used in the production of most PVC products - from the looks of it, the storage bag is made of PVC, which is also likely why the product carries the Prop65 Warning (PVC is part of the prop 65 list of naughty materials). You'll see the same Prop 65 warning on most inflatable water toys, as most are made of PVC, because of it's flexibility, durability and ability to weld using high-frequency welding machines.

Did you compare these with Legos before you purchased? What made you decide on Mega Bloks?

I have a 6 year old with Aspergers and he prefers Mega Bloks for building letters and numbers because of the unique shapes of the bricks. He will build letters and numbers for hours. We have Legos for buildings, cars, and other things.

Where are they manfactured?

My set says "MADE IN CANADA" on it.

Big Building Bag | Desertcart UK

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Description

🧩 Unlock your toddler’s imagination, one block at a time!

MESS FREE PLAYTIME - Includes a reusable storage bag for quick cleanup and on-the-go fun.
GROW WITH MEGA BLOKS - Seamlessly combines with other sets to expand your child’s building universe.
BUILD BIG BUILD BOLD - 80 colorful blocks spark endless creativity and early STEM skills.
TOP RATED TODDLER TOY - Trusted by over 130,000 parents with a 4.8-star rating for developmental play.
DESIGNED FOR TINY HANDS - Ergonomically crafted pieces ensure safe, easy grasping for ages 1+.

The MEGA BLOKS First Builders Big Building Bag offers 80 large, colorful blocks designed for toddlers aged 1 to 5. Crafted for easy handling and safe play, this set promotes creative thinking, motor skills, and imagination development. It includes a reusable storage bag for effortless cleanup and is compatible with other Mega Bloks sets, making it a top-rated, versatile choice for early childhood building fun.

Specifications

ASIN	B007GE75HY
Additional Features	Easy Storage
Age Range Description	Ideal for ages 1 to 5
Best Sellers Rank	#143 in Toys & Games ( See Top 100 in Toys & Games ) #1 in Toy Stacking Block Sets
Brand Name	Mega Bloks
Color	Blue Bag
Customer Package Type	Standard Packaging
Customer Reviews	4.8 out of 5 stars 131,318 Reviews
Educational Objective	Creative Thinking, Imagination Development, Motor Skills
Global Trade Identification Number	00065541083271
Included Components	Toy
Is Assembly Required	No
Item Dimensions	5 x 12 x 14 inches
Item Part Number	900 DCH63
Item Type Name	Building Bag
Item Weight	16 ounces
Manufacturer	Mattel
Manufacturer Maximum Age (MONTHS)	60.0
Manufacturer Minimum Age (MONTHS)	12.0
Manufacturer Part Number	DCH63
Manufacturer Warranty Description	No Warranty
Material Type	Plastic
Model Name	First Builders Big Building Bag
Model Number	DCH63
Model Year	2015
Number of Pieces	80
Operation Mode	Manual
Set Name	First Builders Toddler Blocks Toys Set
Size	3-5 years
Sub Brand	First Builders
Subject Character	First Builders
Target Audience	Boys
Theme	Construction
Toy Building Block Type	Stacking Toy Building Block
UPC	065541083271
Unit Count	1.0 Count

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I loved the variety of products available. Will definitely shop again.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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