If you think that the smaller-scaled building sets were too simple, try out the second most complex building set in Anker's entire range of supplementary building sets! 

40 x 29 x 4.7 cm, stone, 350 pieces, in a wooden box,
Recommended for ages 4 and above.
Dimension: 46 cm x 34.5 cm x 9 cm Weight is 6.8kg