Modern Grey Gross Motor Building Bricks - Set of 25

In stock
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♥ Love it or Return It for FREE

Let your toddler's imagination run wild with these lightweight yet sturdy cardboard building bricks. Build a tower, make a desk, create a school, and more with these jumbo-sized blocks. 

And since your little ones won't be able to stop playing with these all over your home, we've designed this version in a modern grey color so that they pair perfectly with your living room decor. 


    • Each set comes with 25 flat-packed blocks. 
    • Jumbo Block Size: 
  • 24.5 x 20.5 x 3.1 inches


📦 Watch our 1-minute video on how to assemble the blocks after their arrival: 

We Value Safety
  • All parents, grandparents, caregivers, customers, or users of Curious Baby™ must ensure strict supervision of the child at all times during all activities
  • Please review our safety recommendations before purchase


    SHIPPING - For the fastest shipping, choose Two-Day delivery

    Our standard shipping is via USPS Media Mail (2-8 Business Days). Most orders placed before 10:00 AM CT will ship out the same day or the next business day. Seasonal orders may require additional handling time.

    International shipping via DHL and UPS Worldwide available at checkout


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    Common Questions



    Change your mind? Received a gift you already had?

    No problem. Returns are easy and simple.

    Our Activity Cards have a Love It or Return It Guarantee™️

    • 👉 Get started with your return here
    • 100% money back guaranteed for up to 30 days after your order was delivered.
    • We make it easy. Returns and exchanges are handled in our self-service return portal. Return shipping is free for orders shipped within the U.S.

    For Returns from Our Toy Shop:
    We will gladly accept returns within 30 days with a 20% restocking fee along with a return shipping fee to our warehouse.

    Send us an email to begin processing your return at 

    🌏 Due to the high costs of worldwide shipping, we do NOT offer returns on items shipped outside of the United States.

    If you decide to return your order, we will gladly accept it once it lands back at our warehouse in Dallas, Texas, however we will not be generating a prepaid label for you or covering free shipping costs.

    Please contact our support team in order to set up an international product return at


    Yes! We do ship internationally via DHL Worldwide and UPS Worldwide. You can enter your address during checkout to view the estimated shipping costs.

    Please note, we do not provide free returns on international orders due to the high shipping cost.

    More questions?

    We're proud to offer you a world-class customer support team. Reach out to us anytime at

    ACTIVITY CARD FLASH SALE - 50% OFF! Buy One, Get One 50% OFF ALL Activity Cards