The 100 blocks of this building set with lengths ranging from 2-10cm are ideal for so many creations. You can build up walls, towers, houses with furniture, castles and so much more. These smaller building blocks are also perfect for table top play where wonderful 2-D and 3-D patterns and buildings can arise or different marble games can be played with alone or together with friends. By building and playing with these blocks, children develop fine motor skills and spatial thinking skills. 100 building blocks in a wooden frame. Materials: lime wood, non-toxic water based color stain/non-toxic plant based oil finish.Size: frame 22,5cm, single blocks 2cm thickness, lenght up to 10cm. Suitable from 3-4 years and upwards.