Mega Bloks First Builders Classic Big Building Bag

Cookies on our site

We use cookies to provide you with the best experience on our site. If you continue shopping with us we'll assume that you're happy to receive cookies. Find out more about cookies x

WebMD Link

  Can't find country?

Please note that changing your country whilst shopping will remove all items from your basket.



Product description

Build and stack for limitless fun with the award-winning First Builders Big Building Bag by Mega Bloks! These bright primary-coloured blocks encourage hands-on exploration and open-ended play. Construct tall towers, fantastic fortresses and more. First Builders blocks are made big, especially for little hands to handle. When playtime is over, conveniently pack and store the blocks in our new eco-friendly, PVC-free packaging.


  • 60 x First Builders blocks for hours of play.
  • A classic primary colour scheme.
  • Eco-friendly, PVC-free packaging with strap for storage and portability.
  • Compatible with other Mega Bloks First Builders products for continuing the fun (sold separately).

Key Information:

  • Suitable for children aged 1 – 5 years.
  • Wipe clean when needed.
  • One supplied.
  • Styles may vary.
  • Measures approximately: 29 x 34 x 10cm

Hazards and Cautions

  • The bag is not a toy.
  • Plastic bags can be dangerous. To avoid danger of suffocation, keep bag away from babies and children.

Shopping with us

However you like to shop we've got you covered, from placing an order in-store or by phone to shopping online and through our app.

Discover No7's latest innovation

Discover our first serum clinically proven to reduce the look of wrinkles, firm skin and even skin tone

Save for later

Mega Bloks First Builders Classic Big Building Bag


5.0 out of 5 based on 3 user reviews Building blocks

£15.00 or 1,500 points


Collect in store

Home delivery

    Check store availability
  • bvseo_sdk, java_sdk, bvseo-3.1.1
  • CLOUD, getAggregateRating, 0ms
  • bvseo-msg: The resource to the URL or file is currently unavailable.;

Inspire a lifetime of building with the Mega Bloks First Builders Classic Big Building Bag! Construct tall towers, fantastic fortresses and more.

Collect 60 points with this purchase

  • Our partner sites

  • Boots WebMD Macmillan
<-- bazaar voice iframe to JS end -->