Quick Facts
PlanToys Nesting Puzzle Unit Plus is a wooden nesting and stacking set that develops shape, color, and spatial skills.
Best for
Children developing spatial and sorting skills
Key detail
chemical-free rubberwood
Consider if
Consider something else if you prefer plastic or electronic toys
Shipping
Free US shipping over $100, 30-day returns
Build spatial skills, one shape at a time
Stack, nest, and match hollow geometric blocks to practice hand-eye coordination, sorting, and early math in everyday play.
Build spatial skills, one shape at a time
Thoughtful, safe materials
Thoughtful, safe materials

PlanToys uses chemical-free rubberwood, formaldehyde-free glues, organic pigments and water based dyes, so finishes are gentle on little hands. The smooth, painted surfaces are easy to wipe clean and designed to last through everyday play.

Hands-on learning through play
Hands-on learning through play

Matching, stacking, and nesting these geometric shapes encourages sorting, spatial reasoning and fine motor control while children explore cause and effect. Use it for guided activities or leave it out for open-ended independent play.

Simple, sturdy design
Simple, sturdy design

Hollow cubes, cylinders, and triangles fit intuitively so children can problem-solve and self-correct as they play. Rounded edges and solid construction reduce breakage and keep playtime calm and confident.

Non-toxic finishes
Made with water based dyes and formaldehyde-free glues for safer play.
Sustainably crafted
Created from chemical-free rubberwood trees and responsibly made in Thailand.
Supports development
Encourages sorting, stacking, spatial reasoning and fine motor development through play.
Easy US shipping
Ships from a US warehouse, and free US shipping on orders over $100.
How to Choose Early Learning Blocks

Pick a set that supports open-ended play, uses safe materials, and fits how your child likes to explore.

  1. Check the materials: Look for solid wood, non-toxic finishes, and simple construction so pieces withstand handling and stay safe for little mouths.
  2. Look for open-ended play: Choose blocks that can be stacked, nested, and combined with other sets to extend learning beyond a single activity.
  3. Think about durability: Solid construction and smooth edges matter, especially for toys used daily and passed between siblings.
  4. Consider compatibility: If you like building a larger collection, pick items designed to work together so play options grow over time.
  5. Plan for supervision: Even well-made toys need adult oversight, especially while children still mouth objects or are learning to manipulate small pieces.
Frequently Asked Questions
What is the Nesting Puzzle made of?

The set is made from chemical-free rubberwood, with formaldehyde-free glues, organic pigments, and water based dyes, made in Thailand.

Is this toy safe for young children?

Yes, it uses non-toxic finishes and smooth edges, but supervise play, especially for children who still put toys in their mouths.

Can I combine this with other sets?

Yes, this set is compatible with other Unit Plus series sets, so you can mix and match pieces for more complex play.

How do I clean and care for the blocks?

Wipe with a damp cloth and mild soap as needed, avoid soaking or harsh chemicals, and let pieces air dry completely.

What are your shipping and return policies?

We ship from a US warehouse, offer free US shipping on orders over $100, and provide 30-day returns with human customer support if you need help.

From the Moogco Baby Journal
Montessori toys for one year old: A Practical Guide to Early Learning
By Eda Ulger , Moogco Baby Editor and mom of two · Updated May 2026 The best Montessori toys for a one-year-old are wonderfully simple. They’re usually made from natural materials and are carefully designed to...
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"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"

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"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."

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"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"

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"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"

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"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."

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Bridget
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"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."

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"These were great in the beginning helped me so much."

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