Grimm's

Large 12-Piece Wooden Rainbow Stacker

Plasticproof Excellent $$$Our price tier

Twelve solid wood arches finished with water-based color — an open-ended toy that gets played with for years instead of a moulded plastic set with one use.

Check price on Amazon

Solid woodNot plastic, not composite.

Water-based colorGrain shows, no thick lacquer.

Open-ended playUsed for years, not weeks.

See exactly how we verify this

As an Amazon Associate I earn from qualifying purchases — at no extra cost to you. We show a "Check price on Amazon" link rather than a number because Amazon prices change often.

Why it's safe for your family

The arches are solid wood, not plastic and not composite board, so a toy that spends years being mouthed, stacked and knocked over is a single natural material.
The color is water-based stain rather than a thick lacquer, which is why you can still see and feel the grain — and why chips do not flake off as coating.
It is genuinely open-ended: a tunnel, a fence, a bridge, a nesting puzzle. That is the difference between a toy played with for five years and one abandoned in a month, and longevity is the environmental argument that matters most in toys.
Wood ages by wearing rather than cracking, so this is the kind of object that gets handed to a second child rather than binned.

Quick specs

Material

Solid wood

Finish

Water-based color stain

Pieces

12 nesting arches

Play

Open-ended — no single correct use

What to avoid instead

Avoid moulded plastic stacking toys, which do one thing and are discarded when the child masters it. Note the practical warnings: the arches are large and heavy enough to be thrown, and as with all toys, follow the maker’s age guidance and supervise a child who mouths everything.

How we verify — and what we don't

Straight answer: we're a research team, not a testing lab. Here's exactly what our rating is based on — and what it isn't — so you can weigh it honestly.

What we check

What the product is made of, from the maker's own specs and product listing.
Whether any part that touches you or your food uses PTFE, PFAS, plastic, or a coating that can degrade.
Peer-reviewed research on how that material behaves when heated, scratched, washed, or worn.
Known failure modes — how the product actually breaks down in a real home.

What we don't do

We have not chemically tested this specific unit in a lab.
We don't take payment to rate a product higher — there is no sponsored placement.
We don't show star ratings or "trusted by thousands" counts we can't stand behind.

What gets a product rejected

Anything that adds a known microplastic, PFAS, or off-gassing source — a non-stick coating, a plastic surface against food or skin, vinyl/PVC — is downgraded or cut. We only list what clears that bar.

Don't take our word for it — check the sources yourself Grimm's's product details

Common questions

What is the finish, exactly?

A water-based stain rather than a thick surface lacquer. That is why the wood grain shows through and why worn edges look like wood rather than chipped paint. Check the maker’s stated compliance with toy safety standards, which covers what may be used on a toy that gets mouthed.

Is it worth the price?

Judge it over years. It is used differently at one, three and six years old, and it survives all of it. The cost per year of a toy played with for five years is lower than a plastic set replaced twice.

How do I clean it?

Wipe with a barely damp cloth and dry immediately. Never soak wood or put it in a dishwasher — that is what raises grain and splits it.