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Excellerations® Concave Convex Column. Children explore geometric shapes, sizes, and colors as they match and stack the pieces. Each layer of the twisty, concave design will keep kids engaged in their quest to complete the vertical puzzle. Along with sharpening their dexterity, children a... - Excellerations® Concave Convex Column. | | $32.99
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Dovetail Cage. Dovetail Cage is a twelve-piece cage puzzle. The pieces are held together by dovetail connections. The cage comes apart in two halves, which can then be further disassembled. The puzzle is not extremely difficult, but it can be confusing to solve.The... - Dovetail Cage. | | $113.99
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Dovetail Cube. Dovetail Cube is a 2x2x2 puzzle cube that is held together by dovetail connections. Oskar van Deventer designed a first version of the Dovetail Cube in the 1980's, based on a challenge by Prof van der Poel. Several other people have made dovetail-cub... - Dovetail Cube. | | $64.99
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Dovetail Burr. Dovetail Burr is a variation to the classic mechanical 6-piece burr puzzle. Its six pieces are held together by dovetail connections. The puzzle is easy to solve. The pieces slide in place one by one.The set of six pieces took about 8 hours to 3D pri... - Dovetail Burr. | | $81.99
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Dovetail Knot. This six piece puzzle is the more difficult version of the famous "cross knot". Frans de Vreugd gave this puzzle it's dove tail joint, a traditional corner connection used by carpenters around the world. This extremely difficult puzzle's solution wil... - Dovetail Knot. | | $41.99
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Dovetail Soma Cube. Dovetail Soma Cube was suggested by George Miller. The idea was to take a classic Piet-Hein Soma Cube and add dovetail connections to it. Ideally, the addition of dovetails would reduce the number of assembleable solutions to exactly one, whereas the... - Dovetail Soma Cube. | | $81.99
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Aha Box (Aluminum). Small Box Two (Aha Box) was Allan Boardman's IPP exchange puzzle in 2004. Allan describes it as "designed to lure your non-puzzler friends into "our" world." Seemingly solid and impenetrable, Aha Box gives very few clues upon handling. A solution doe... - Aha Box (Aluminum). | | $120.99
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Aluminum Apple - Red. This small dovetail apple puzzle is made of high quality anodized aluminum and is designed by Wil Strijbos! The objective is to discover the trick that allows you to open the apple and retrieve the plain metal ring inside. Original Wil Strijbos... - Aluminum Apple - Red. | | $115.99
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Slump Cube (Aluminum). Cubic Dissection first released a wooden version of Slump Cube back in 2010 and Eric had this to say about it:"This puzzle was inspired by the 3x3x3 dovetailed cube that Wayne produced a few years ago. With permission and a little advice I decided to... - Slump Cube (Aluminum). | | $199.99
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