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Discover joy in building
Since 1884, sustainably manufactured in Germany. Choose from classic architectural or 3D play building block sets!
Why Anchor Stones?
Natural & Sustainable
Made from natural materials
- Made from quartz sand, linseed oil, color pigments and chalk
- No plastics, phthalates, or other additives
- Packaged in a sturdy, reusable wooden box
Precision Building
Precise dimensions and surfaces
- Precision tolerances ensure rows align perfectly
- Smooth surfaces allow straight stacking
- Weight allows building tall without supports or glues
Lasts for Generations
Real stones last for generations
- They are really stones and likely outlive you
- Weight and smoothness in your hand appeal to young and old
- Longevity connects generations of builders
How to Start Classic Building
Begin with starter set #4 or #6 to build your first models. Then add extension sets in sequence for bigger and more complex models.
“Anchor Stones provide endless play hours for my children AND their grandparents!”
Annie Steiner
CEO, Greenprint
Design Studio
Visit the Design Studio for building plan ideas, styling elements, memorabilia.
Watch, Read, Listen
Visit the blog for all of our stories.
How Anchor Stones are Made
Come take a factory tour by video and see how…
Ankerstein Factory in Rudolstadt – 1912 to 2019
Anker Steinbaukasten has a long history in Rudolstadt Germany, started…
Ankerstein at Nuremberg Toy Fair 2019
Ankerstein Baukasten (Anchor Stone building sets) exhibited at the Nuremberg…
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