Kayoni is a new way thinking and age oriented modular construction set which - thanks to its series and tight mathematical design - can be assembled in multiple orientations and with limitless constructional opportunities because of high accuracy tolerances of interconnecting pins and pockets of its blocks. By concept, vision and opportunities dedicated to toddlers, preschoolers and school-aged children but enjoyable and skill building - as well as creatively inspiring, fun and entertaining - to everyone!

D&D Contracting ApS is a privately held Danish product design and industrial design company established 2014 focusing on design concept usability and product realization by use of sustainable manufacturing technologies and recyclable product materials. Company focus on product design, technology assessment, manufacturing tools design, project realization management and on establishing of in process and finished goods quality control procedures facilitates the corporate idea-to-market philosophy. A company having an international outlook as to design and product usability along with an international product market scope approach.

Kayoni was formed out of a vision to create a unique and versatile 3D modular system to innovatively stimulate toddlers, preschoolers and school-aged children to creatively develop selected competencies, logic and selected skills through playing and fun advancing same time social interaction and developing of social skills. From that, and from a passion for toys together with a dedication towards educational playing, Kayoni evolved. First in its 50 mm EVA-series for toddlers and its 25 mm EVA-series, together with geometry and arithmetic series, for preschoolers, and since in its - now introducing - extensive 5 mm ABS-series for preschoolers and school-aged children. The simplicity, yet complexity, of the 5 mm ABS-series, allowing a unique assembly of blocks in multiple orientations, provides limitless opportunities to creatively and expressively build and combine at any scale - by anyone.