This is a very high quality set manufactured by Wange; It is 100% compatible with all leading 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>Eifel tower</br><br/>http://www.amazon.com/gp/product/B01K495CUO