Grimms
Grimm's Building Set - Cornerstone
Grimm's Building Set - Cornerstone
SKU: SP10184
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Grimm's Cornerstones open up a whole new world of building possibilities. This versatile set encourages creative layering and supports the development of spatial awareness. With endless combinations of colours and forms, new structures can be created again and again!
When paired with Grimm’s classic building elements—such as the Giant Building Blocks, Wooden Marbles, Stepped Pyramids, and Building Boards—the Cornerstones truly shine. Together, they can be used to construct a wide variety of imaginative marble runs.
Take a look at a few inspiring examples shown in the photos:
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Marble Run Staircase: Built using the Large Stepped Pyramid, Giant Building Blocks, and Cornerstones, this run is designed for use with Wooden Balls.
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Marble Run Bridge: A bold bridge construction made for Small Wooden Marbles using Pastel Building Boards, the Small Stepped Pyramid, Tree Slice Building Blocks, Giant Building Blocks, and Cornerstones.
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Marble Run Spiral: A creative spiral run built with the Large Stepped Pyramid, Giant Building Blocks, and Cornerstones, perfect for Wooden Marbles.
It may take a bit of trial and error to find the perfect step height and spacing for the marbles—but that’s all part of the fun! With a little teamwork and imagination, builders of all ages can create something amazing.
Shipping and returns
Shipping and returns
Our flat rate within the majority of Australia is $9.95 each order for standard courier or Australia Post delivery, but free for orders over $125.
Express shipping is available on most products at check-out.
Some of our larger items are bulky and heavy, and so they are excluded from the flat rate fee and free shipping. These may incur additional shipping charges based on your location. Please refer to our shipping policy or contact us for further information.
Gift wrapping is available although that may not be possible for some large items and we will let you know promptly if that is the case. Our Checkout process notifies choices during purchasing. Just let us know what message you wish it to have.
Returns
We understand you may change your mind! If your order has been dispatched, we will arrange a refund or exchange for you, as long as the products are returned:
- Unused, unopened, undamaged and in original condition and packaging
- In a saleable condition upon return
- Returned within 30 days of delivery







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