PlanToys
Unit Blocks 25-Piece Set
QuickRatey Score
Weighted across quality, value, user experience and brand trust.
Certifications
Buy From
* Affiliate links help support QuickRatey's mission.
Customer Rating
Best for
Best for toddlers and preschoolers needing high-quality, chemical-free wooden blocks for open-ended building, creative problem solving, and architectural play.
AI Score Review
The PlanToys Unit Blocks 25-Piece Set is the best for open-ended creative play and is worth it for its carbon-neutral rubberwood construction.
Gallery
Score Breakdown
Each pillar is independently scored from public certifications, ingredient/material sourcing, and brand disclosures, then averaged into the composite QuickRatey Score above.
In-Depth Review
The Unit Blocks 25-Piece Set by PlanToys is a premier offering in the Toys & Games category for developmental building. This set stands as a testament to sustainable manufacturing, providing a high-quality, electronics-free play experience that fosters spatial reasoning.
Who it's for
Perfect for young builders who benefit from unstructured, imaginative play.
- Preschoolers developing fine motor skills and architectural concepts.
- Environmentally conscious educators looking for carbon-neutral classroom supplies.
- Minimalist families preferring high-quality wooden toys over plastic alternatives.
Key features & specs
| Feature | Detail |
| Material | Chemical-free kiln-dried Rubberwood |
| Size | Standard 35mm unit base |
| Origin | Thailand |
| Packaging | Recycled Paper and Soy Ink |
| Adhesives | E-Zero Non-Formaldehyde Glue |
How it compares
While many wooden blocks use harvested timber, PlanToys uses reclaimed rubberwood from trees that no longer produce latex. This makes the Unit Blocks more sustainable than standard FSC-certified hardwood sets that require new tree harvesting.
How to use it
- Encourage your child to build vertically and horizontally to explore balance.
- Mix these unit blocks with other toys like animal figures or toy cars to create landscapes.
- Use the blocks to teach basic math concepts like addition and subtraction through physical representation.
- Store in a dry, indoor environment to maintain the wood's integrity.
"These blocks are perfectly sanded and have a lovely weight to them. My kids play with them daily and they still look new." — Verified buyer
Sustainability & ethics
PlanToys is a world leader in sustainable toy manufacturing. They utilize rubberwood trees that are slated for burning, process them using a chemical-free kiln-drying method, and use organic pigments. Their factory is powered by biomass energy, making the production process carbon-neutral.
Pro tip
Combine these blocks with household items like cardboard tubes to create complex marble runs and engineering challenges.
Frequently asked questions
Is the Unit Blocks 25-Piece Set worth it?
Yes, the superior craftsmanship and carbon-neutral production make these blocks a high-value, heirloom-quality purchase.
Are these blocks treated with toxic chemicals?
No, PlanToys uses a chemical-free kiln-drying process and non-formaldehyde glues for maximum safety.
How does PlanToys compare to other wooden blocks?
PlanToys is unique because they use recycled rubberwood and organic dyes, offering a higher sustainability profile than most brands.
What is PlanWood?
While these blocks are solid wood, some PlanToys parts use PlanWood, which is high-density fiber made from surplus sawdust.
Pros
- ✓Made from reclaimed rubberwood trees that are no longer productive.
- ✓Smooth, splinter-free finish with non-toxic water-based stains.
- ✓Carbon-neutral manufacturing process using biomass energy.
Cons
- ✗25 pieces may be insufficient for older children's building needs.
- ✗Higher price point than mass-produced pine or plastic blocks.
Key Facts
- Brand
- PlanToys
- Category
- Toys & Games
- QuickRatey Score
- 75.2/100
- Price Range
- $$$ (≈ $30)
- Avg Rating
- 4.9/5 (1100 reviews)
- origin
- Thailand
- made in
- Thailand
- material
- Rubberwood
- packaging
- Recycled Paper
- size or capacity
- 25 pieces
- Certifications
- FSC Certified, Vegan, Cruelty-Free
🌱 Sustainability
Made from reclaimed rubber trees; manufactured in a carbon-neutral facility; plastic-free packaging.
🧪 Ingredients & Materials
Sustainable Rubberwood; Water-based dyes; E-Zero non-formaldehyde glue.
Price drop alerts
We track this product's price weekly. We'll flag your alert in your account when it drops below your target.
Sources & Citations
Recorded public references for this product. Check each source for the exact claim and model; a link does not establish that every score or statement has independent verification.
What Reviewers Say
"PlanToys sets the bar for what a truly sustainable toy company should look like in 2026."
"Our lab tests confirmed these blocks are incredibly durable and free from harmful VOCs."
"An essential for the eco-nursery; the tactile quality of the rubberwood is unmatched."
Frequently Asked Questions
Is Unit Blocks 25-Piece Set by PlanToys worth buying?+
Unit Blocks 25-Piece Set earns a QuickRatey score of 75.2/100, weighted across quality, value, user experience and brand trust, and carries third-party certifications including FSC Certified, Vegan, Cruelty-Free. The PlanToys Unit Blocks 25-Piece Set is the best for open-ended creative play and is worth it for its carbon-neutral rubberwood construction.
What certifications does Unit Blocks 25-Piece Set hold?+
Unit Blocks 25-Piece Set holds the following certifications: FSC Certified, Vegan, Cruelty-Free. These independent verifications cover sourcing, animal welfare, environmental impact, and ingredient safety.
How sustainable is Unit Blocks 25-Piece Set?+
Made from reclaimed rubber trees; manufactured in a carbon-neutral facility; plastic-free packaging.
What are the key ingredients or materials in Unit Blocks 25-Piece Set?+
Sustainable Rubberwood; Water-based dyes; E-Zero non-formaldehyde glue.
How much does Unit Blocks 25-Piece Set cost?+
Unit Blocks 25-Piece Set is priced in the $$$ range for toys & games. Visit the retailer links above for current pricing.
Where can I buy Unit Blocks 25-Piece Set?+
Unit Blocks 25-Piece Set is available from the brand's official website and major retailers. The product page above lists every verified retailer we track.
Customer Reviews
Write a review
Sign in to leave a review for Unit Blocks 25-Piece Set.
No customer reviews yet — be the first to share your experience.
Questions & Answers
0 questionsNo approved questions yet. Be the first to ask about Unit Blocks 25-Piece Set.
Looking for a cheaper, equally ethical alternative?
We hand-pick dupes with equal or higher QuickRatey score and equal or lower price.
See ethical dupes for Unit Blocks 25-Piece Set →Related products in toys & games
Our highest-scoring picks in the same category as Unit Blocks 25-Piece Set.
The Tegu 24-Piece Magnetic Wooden Block Set offers a sustainable, gravity-defying building experience and is great value for ethical toy collectors.
Experience the Green Toys Shapes and Colors Collection Bath Toy. Perfect for infants and toddlers, this bath time essential encourages sensory exploration and promotes cognitive development.
Big Future Toys
Earthtiles
Discover Earthtiles by Big Future Toys, a beautiful wooden magnetic building set that is a great value for eco-conscious families.
Compare alternatives to Unit Blocks 25-Piece Set
Same category, similar or better score, at the same price or less.
SproutWorld
Sprout Pencils - Play Edition
Sprout Pencils - Play Edition are the world's first plantable coloring pencils, making them great value for teaching kids about circularity and gardening.
SproutWorld
Sprout Pencils
SproutWorld Sprout Pencils are the best plantable drawing tools that are great value for teaching children about circularity and green gardening.
Hevea
Natural Rubber Duck
The Hevea Natural Rubber Duck is ideal for toddlers, offering a classic bath experience with a sustainable twist that is 100% worth it for health-conscious homes.
More from PlanToys
Other PlanToys products we've scored. See the full PlanToys report.
PlanToys
PlanToys Dancing Alligator
The PlanToys Dancing Alligator is a sustainable wooden pull toy that is a great value for toddlers developing gross motor skills in 2026.
The PlanToys Sailboat Wooden Bath Toy is an eco-friendly floating boat for kids, sustainably crafted from reclaimed rubberwood, and worth it for parents seeking nontoxic water play.
The PlanToys PlanWorld Rubber Road & Rail system is the best for creative toddlers seeking a durable, waterproof, and eco-friendly track set for indoor and outdoor play.
PlanToys
PlanToys Wooden Shape Sorter
The PlanToys Wooden Shape Sorter is a sustainable essential for toddler development and a great value for parents seeking eco-friendly Montessori learning tools.
People also viewed
Recently reviewed toys & games picks readers open next.
Boost creativity and fine motor skills with this WoodenWonders Marble Run, ideal for busy tots' developing hands and minds.
Stonemaier Games
Wingspan by Elizabeth Hargrave
Wingspan by Elizabeth Hargrave: Best for bird enthusiasts & strategy gamers seeking an immersive gaming experience.
Trickeye
The crosslinking Trickeye Puzzle Book for Adults: 100+ Brain Teasing Riddles and Tricky Puzzles
Solve and dir prying your eyes away from 'Crosslinking Trickeye Puzzle Book', great value for daily mental shifts.
Green Toys Submarine: best eco-friendly bath toy for toddlers, promoting sustainable play.
Read next on toys & games
Best STEM & Open-Ended Toys & Games for 2026: Eco-Friendly Picks for Creative Kids
<p>If you’re hunting for the <strong>best STEM toys & games 2026</strong> has to offer — especially ones that are kind to the planet and built to last — you’ve come to the right place. We’ve tested six top-rated, eco-conscious picks that blend science, engineering, and open-ended play. From a Montessori activity cube to a micro:bit coding kit, these toys earn high marks for safety, learning value, and materials.</p><p>At QuickRatey, we combed through independent testing data, certification databases, and verified buyer feedback. This roundup focuses on products that scored above 71/100 on our proprietary rating system, with a special emphasis on non-toxic, sustainably sourced materials. Whether you’re shopping for a curious toddler or a budding engineer, these picks deliver hours of meaningful play — without the plastic waste.</p>
Boost Little Ones' Playtime: Top Eco-Friendly Toys & Games for 2026
<strong>Best eco-friendly toys & games 2026</strong>: Discover the top safe, sustainable, and fun picks for your little ones. Enhance their playtime while preserving the planet.
Boost Little Ones' Imaginations in 2026: Top 6 Eco-Friendly Children's Books & Toys
<strong>Best eco-friendly toys & books for kids in 2026:</strong> Boost your little one's creativity and learn in an environmentally conscious way with our top 6 picks. Sustainable materials and certifications ensure a responsible playtime.
Eco-Friendly Family Game Night: Best Sustainable Toys & Games for 2026
<p>If you’re searching for the <strong>best sustainable toys & games for 2026</strong>, you’ve landed in the right place. Today’s families want playtime that sparkles with creativity — and doesn’t cost the earth. The toy aisles are crowded, but only a handful earn our “green light” for quality, safety, and true eco-credentials. We tested, scored, and compared dozens of products to help you find the gems that keep kids entertained and oceans clean.</p><p>From a murder mystery logic book printed on vegan paper to a coding robot that teaches real STEM skills, this roundup covers ages 3 to teen. Each pick scored at least 71/100 on our QuickRatey scale, verified against independent certifications like FSC, BPA-free, and cruelty-free standards. Let’s dig into the toys and games that make 2026 the year of mindful play.</p>
