BlueMarbleToys
National Geographic Jumbo Cardboard Building Blocks – 45-Pc. Extra-Thick Cardboard Bricks for Kids, Build a Castle Play House, Indoor Playhouse, Large Building Blocks, Kids Giant Blocks
National Geographic Jumbo Cardboard Building Blocks – 45-Pc. Extra-Thick Cardboard Bricks for Kids, Build a Castle Play House, Indoor Playhouse, Large Building Blocks, Kids Giant Blocks
Couldn't load pickup availability
About This
- BUILD YOUR OWN CASTLE - The jumbo building blocks in this kit sport a castle theme, so kids can build their very own castle play house Kids can let their creativity shine as they create unique, custom castles with ease
- SAFE, SECURE, AND DURABLE - These blocks are designed to hold together securely when assembled, eliminating frustration Made from durable cardboard, they're also safe, lightweight, and durable so kids can explore any design they can think of
- ENDLESS BUILDING POSSIBILITIES - These high-quality building blocks are a great way for kids to explore their creativity as they design and build their very own castle play house They'll also learn about castles with the included Learning Guide
- EVERYTHING INCLUDED - Kids can build the ultimate castle playhouse with the components in this kit In addition to 42 blocks in different shapes and sizes, they'll get a drawbridge and two crowns to faithfully lead their new kingdom
- AWARD-WINNING PRODUCTS - Blue Marble, winner of the Toy Association's prestigious Toy of the Year Award, proudly develops products that foster education, imagination, and creativity, with a U.S. support team to ensure a stellar experience!
Share

Reviews
Shop Now-
⭐️⭐️⭐️⭐️⭐️
This toy is an absolute hit in our backyard! The rockets fly so high, and it keeps my kids running and laughing for hours. Great quality and super easy to use.
Daniel H. -
⭐️⭐️⭐️⭐️⭐️
My kids are obsessed with this bug vacuum! It makes outdoor play so much more exciting and educational. The light-up habitat is such a fun bonus.
Rachel D. -
⭐️⭐️⭐️⭐️⭐️
My son can’t get enough of these buildable trucks! The electric drill is easy to use, and it keeps him focused and learning through play. Such a perfect STEM toy.
Lauren K.
Blog & Tips
View all-
Top 5 Brain-Boosting Toys for Preschoolers (3–5...
How Playtime Builds Memory, Creativity, and Problem-Solving Preschoolers are naturally curious, imaginative, and hungry to explore the world. Between ages 3 and 5, their brains grow rapidly, especially in areas...
Top 5 Brain-Boosting Toys for Preschoolers (3–5...
How Playtime Builds Memory, Creativity, and Problem-Solving Preschoolers are naturally curious, imaginative, and hungry to explore the world. Between ages 3 and 5, their brains grow rapidly, especially in areas...
-
🧸 Toy Rotation: Why Fewer Toys Can Actually Boo...
Introduction Parents often feel pressured to provide more toys, more stimulation, and more choices.But research in child development suggests the opposite: children learn better when they have fewer toys available...
🧸 Toy Rotation: Why Fewer Toys Can Actually Boo...
Introduction Parents often feel pressured to provide more toys, more stimulation, and more choices.But research in child development suggests the opposite: children learn better when they have fewer toys available...
-
Why Your Child Chooses the Same Toy Every Day —...
Introduction Have you ever wondered why your child keeps reaching for the same toy over and over again? Whether it’s a wooden car, a plush animal, or a simple stacking...
Why Your Child Chooses the Same Toy Every Day —...
Introduction Have you ever wondered why your child keeps reaching for the same toy over and over again? Whether it’s a wooden car, a plush animal, or a simple stacking...