Unit Block System

Window Unit Blocks - Foundation Set

Bring a whole new level of light, color and design to the classic unit block system with this set of...

Unit Block System Set A - 68-Piece Set

Stimulate young minds and support authentic, play-based STEM learning with a foundational set of tra...

Mini Hollow Blocks-Set of 16

Our 16-piece set Mini Hollow Blocks are sized to standard unit block construction. Beautifully const...

Arches Unit Block Bundle - 16 pc. set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Gemstone Unit Blocks - Set of 10

Encourage children to explore structure, color and light with a unique set of beautiful Gemstone Uni...

Quadruple Units - 4-Piece Unit Block Set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Triangles and Ramps Bundle - 12-piece Unit Block Set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Toddler Unit Blocks - 22 pc. set

Introduce the principles of unit block play to young builders with a set that is intentionally desig...

Roof Boards - Unit Blocks - 4 pc. set

Enhance the possibilities for creative builds, pretend play, problem-solving and more with special p...

Acrylic Unit Block Panels - Set of 4

These fully transparent acrylic building boards are the first of their kind. Children can build tall...

Double Units - 4-Piece Unit Block Set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Cylinders and Pillars Bundle - 24-piece Unit Block Set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Transportation Unit Block Bundle - 4 pc. set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Acrylic Rainbow Unit Blocks - Foundation Set

Encourage children to explore structure, color and light while making realistic windows, glowing tow...

Circle Curve Unit Block Bundle - 6 pc. set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Large Cylinders - 4-piece Unit Block Set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Single Units - 8-Piece Unit Block Set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Unit Block System Set C - 188 pc. set

Stimulate young minds and support authentic, play-based STEM learning with an expanded set of tradit...

Toddler Unit Block Add-on Bundle - 8 pc. set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Unit Block Marble Run - 40 pc. set

Children 3 and up can begin early exploration of physics, STEM lessons and architectural design usin...

Architectural Unit Blocks

Enhance traditional block play with a set of wooden blocks inspired by Roman, English, Middle-Easter...

Floor Boards - Unit Blocks - 4 pc. set

Build strong foundations and expand the possibilities for creative builds, pretend play and more wit...

Half Units - 16-Piece Unit Block Set

Expand foundational unit block sets with just the pieces your builders need more of. Made to align w...

Unit Block System Set B - 132-Piece Set

Stimulate young minds and support authentic, play-based STEM learning with an expanded set of tradit...