This is a very high quality set manufactured by LOZ; It is 100% compatible with all leading micro bricks</br>Superb product for developing small motor skills with children over 5 years old</br>Made of ABS - the same material used by the leading brands of building bricks</br></br>Product Description</br></br>Features. Micro blocks Burj Khalifa Tower. Great Value an alternative to large expensive building sets Great level of detail The perfect gift for a budding builder or collector. Loz microsized building blocks help enhance budding builders gross and fine motor skills spatial awareness and storytelling capabilities. Made from highquality durable nontoxic green material Loz micro blocks are flexible and wont damage easily. Their smooth surface and rounded corners are designed to make them kidsafe</br><br/>http://www.amazon.com/gp/product/B00E6A9QJG