Indoor air comfort logo
Indoor air comfort logo
Indoor Air Comfort GOLD certified

This product is certified to meet the most stringent standard for indoor air quality in Europe. Learn more.

Eurofins Indoor Air Comfort (Gold) certification is your best assurance that our product fulfils low product emissions requirements. It is also a sign of our focus on quality and contribution to a healthy indoor environment.

FSC logo
FSC logo
FSC® certified

The FSC label means that materials used for the product have been responsibly sourced. Learn more.

Supplementary unit block set

Item number: G475
excl. VAT
15-year warranty • Free shipping

Create new list

Create new list

{quantity} added to {list_name}

Go to list
Product support
It’s quick and easy to bolster your block area with the Supplementary set. Providing enough blocks, space, and time is critical to the quality of children’s block play. The blocks are precisely crafted for years of creative building.

Precision Cut

Cut accurately to the hundredth of an inch.

Solid wood

We use birch and beech, not only for their beauty and strength, but because these trees grow abundantly in our neighbouring European woodlands.

Not finding what you need? Contact us.


0800 387 457

Product information

Recommended ages

3–8+ years

Product dimensions






  • 57 blocks in 14 shapes, click here for details
  • Cut to within 0.25 mm to ensure the stability of your children’s structures
  • Blocks are velvet-smooth and all edges are evenly curved
  • Shares modular dimensions with Mini hollow blocks, Hollow blocks and Mini unit blocks
  • A variety of shelving and storage options are available
ITERS and ECERS books

ITERS - 15: 5.2; 19: 7.1

ECERS - 4: 7.2; 22: 7.1, 7.2, 5.2