G2151 2 | 218
G2151 2 | 218
G2141 2 | 135
G2141 Unit Block Foundation Set D 5 | 135
G2151 Unit Block Foundation Set E 8 | 218
G2121B 1 | 84
G2121B 2 | 84
G2151 4 | 218
G2141 3 | 135
G2141 1 | 135
G2151 1 | 218
G2151 3 | 218
G2121B Unit Block Foundation Set C 5 | 84
G2151 Unit Block Foundation Set E 6 | 218
G2121B 3 | 84
G2151 Unit Block Foundation Set E 7 | 218
G2141 Unit Block Foundation Set D 6 | 135
G2141 4 | 135
G2151 Unit Block Set E 218 piece set Lifestyle | 218
G2141 Unit Block Set D 135 piece set Lifestyle | 135
G2151 5 | 218
G2121B Unit Block Foundation Set C 4 | 84

Unit Blocks

$149.95
Children explore geometric and engineering builds while developing their fine motor, spatial thinking, and problem solving skills through open-ended quality block play. Sets of smooth-sanded rubberwood ... Children explore geometric and engineering builds while developing their fine motor, spatial thinking, and problem solving skills through open-ended quality block play. Sets of smooth-sanded rubberwood pieces encourage young builders to create buildings, bridges, and structures. Unit Blocks stimulate young minds with an incomparable experience of traditional block play while providing hours of continuous play. The blocks are sized based on the basic unit block measurement of 1.4" x 2.8" x 5.5" inches. Read more
Piece Count: 84

Only a few left!

Only 99 available
One Tree Planted

Plant a tree with every transaction

White outline of a delivery truck on a green circular background, perfect for transportation or logistics themes.

Free Shipping

  • ITEM: G2121B
  • UPC: 716243021213
  • AGE: 2 +
  • Size: 24 x 15.25 x 4.75
  • Choose from a variety of sets with varying piece counts to fit your home or classroom needs
  • Made with smooth-sanded durable rubberwood
  • Enhance and expand on block play
  • Develop fine motor skills, early engineering concepts, spatial thinking, problem solving, and STEM concepts
  • The blocks are sized based on the basic unit block measurement of 1.4" x 2.8" x 5.5" inches.
  • Ages 2+
Globe image with a clear background

Safety Tested

upwards arrow image with a clear background

Quality Materials

Bulb image with a clear background

Innovative Design

handshake image with a clear background

Rooted in Theory

Toys That Teach

Toys That Teach

Our collection of educational toys have been designed to encourage early development, spark curiosity, and inspire hands-on learning through play.

Rooted In Theory

Rooted In Theory

Industry experts, educators and parents design our toy sets based on every child’s innate patterns of play.

Made To Last

Made To Last

We prioritize quality and create toys that are built to last (and not end up in a landfill!). Durable, easy-to-clean materials make Guidecraft learning toys the right choice for the home and classroom.

As seen in!

babylist logo on a light blue background Forbes logo on a light blue background Consumer Reports logo on a light blue background Good Housekeeping logo on a light blue background USA Today logo on a light blue background HGTV logo on a light blue background Business Insider logo on a light blue background TechRadar logo on a light blue background

Overall rating: 5.0 / 5 from 8 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["quality","blocks"].

Review highlights

Reviews

Great block set for kids (and adults!)

"We couldn’t be happier with this block set. The quality is immediately noticeable. The wood is smooth, sturdy, and clearly built to last through years of play. The design is simple and beautiful, which makes it feel timeless and easy to incorporate into open-ended play. Our daughter just turned two, and she’s already so engaged with them. Right now, she loves stacking and knocking them down, but we can already see how these blocks will grow with her as her imagination and skills develop. It’s exciting to think about all the different ways she’ll use them in the future. An unexpected bonus is how much my husband enjoys them too. He’s been building all kinds of creative structures for her to explore and interact with. It’s turned into something they can share, which makes it even more special. Overall, this set feels like a really worthwhile investment in both quality and creativity. Highly recommend for anyone looking for a durable, thoughtfully designed toy that encourages imagination and will be loved for years."

— Teresa L. (5/5)

Amazing Quality

"I searched high and low, researched for days. So glad I went with guidecraft for unit blocks."

— Whitney B. (5/5)

Love these blocks- great quality

"These are amazing quality blocks- really expensive but in my opinion worth it. We saw it as a toy that our daughter would grow with over the years. Shipping was fast."

— Allison M. (5/5)

Unit Blocks

"This is our second purchase of unit blocks- we have the sets of 28 and 56. They are wonderful quality and completely worth having so my son’s structures can gain complexity as he’s ready. We plan on getting more when he’s a bit older."

— Erin M. (5/5)

"Quality item half the price of the competitors"

— Katelin (5/5)

Great quality block set

"Amazing quality! We have Set B in my classroom. My kindergarten students love building. Hoping to expand our collection soon!"

— Nicole (5/5)

Unit blocks & Gem unit blocks

"We absolutely love these! I got them for my daughter’s first birthday as I wanted something she could play with for years. They are great quality and wonderful to build with. I can wait to see how they help grow her and her future brother’s imagination. Great investment!"

— Jessica G. (5/5)

Wood blocks

"Wonderfully made blocks with the edges rounded and everything well sanded! A classic toy that we will be giving to our grandson for Christmas,"

— Lynn B. (5/5)

Q&A