The first known building block construction set for children was introduced by a German educator, Friedrich Froeblel in about 1838. He started with a wooden cube as his basic shape, and added various other wooden blocks.
Kapla blocks or planks have been a mainstay of my son and his friend’s toys ever since I bought them for him three years ago. He uses them for all manner of different games, from making roads for his toy cars to building castles, houses aero planes catapults for his toy soldiers to lay siege to the enemies fortresses.
At Bramble Corner we have a great selection of Kapla, from a basic set off 200 through the 280 piece set with an ideas book included to the large 1000 piece set. There are also a range of coloured blocks and books that cover varying degrees of difficulty. They are also available on our online shop in the "Construction Toys" section.
200 piece starter set.
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280 piece set with ideas book.
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1000 piece set.
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40 piece coloured Kapla set.
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Books;
Vol: 1 Various Animals & Architecture 6yrs+.
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Vol: 2 Various Constructions for Advanced Builder 6yrs+.
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Vol: 3 Simple Architecture.
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Vol: 4 Easy Fun Animals.
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New!
100 Piece Kapla

Now Available!
Another great construction toy from Kapla is TomTec T which still uses the highly machined wooden planks (although of thinner and longer length) but this construction ssystem also uses plastic grip hinges, also of high quality, so you can make even more incredible sculptures.
TomTec T

The simplicity of the idea leaves the child to use his or her imagination to the full.
Here is some other information I have found on its creator.
Born in Holland, Tom van der Bruggen is the creator of KAPLA. While making the scale drawings of a castle he wanted to build, he played with wooden blocks to see what the structure would look like. Soon he discovered that the blocks were not at all well adapted to building certain elements like floors, roofs and lintels.
Unsatisfied with the possibilities of these blocks Tom van der Bruggen invented a plank based on the progressions of the uneven numbers 1:3:5. 3 thickness for one width and five widths for one length. This ratio between bricks and stones and beams and planks now opens a whole new way of building. With these identical planks the builder can construct with the precision of artwork and the stability of stones.
Tom van der Bruggen named his planks KAPLA.
This is an abbreviation of “Kabouter Plankjes” which means gnome planks in Dutch. With the KAPLA planks kids as well as adults can now build and create all kinds of different architectural constructions, animals, extraordinary creations...( Source: Kapla.com).
The idea behind Kapla developed around 1985, when the Netherlands art historian and antique dealer Tom van der Bruggen moved to France and went looking for a building block form to design a castle. The name Kapla comes from the Netherland term for "small planks", Kabouter Plankjes.
Contrary to other wood blocks Kapla are precisely sized and come in only one form. This is box in the ratio 5:3:1, i.e. that a component is five times longer than wide, and three times wider than tall. The length of the longest side is twelve centimeters (just under five inches). The blocks are from pine wood and normally have a natural color, however colored blocks are available in six hues. The precision allows larger buildings to be constructed The toy does not require any system of assembly; it is enough to start stacking the small planks to reveal all kinds of even complex constructions.