Kei stone has a warm color, a mixture of ocher and red, and its natural texture that evokes a cliff at a mountain stream. Various sizes from S-L (approx. 4-30cm) are available, and you can make a natural-looking iwagumi layout by combining few of Kei stones depending on the tank size. You can attach ferns and Anubias to S size stones or use them with driftwood.

As Branch wood has many small branches, it looks nice just by placing it in a layout. But it is cut artificially at the end of branches and roots, so you can keep the natural impression by attaching Willow moss to cover the unnatural sections.

Features of Horn wood are that it has a variety of shapes and natural texture, and since many of the horn woods have branches, it is recommended if you are able to combines few of them together to make a layout. The wild-looking texture of the wood brings up the expression of a layout.

Ryuoh stones have a variety of appearance due to the white line and wrinkles. Their forms are suitable for an iwagumi layout which evokes a reef. For making such layout, an important point is to pay attention to the ridge line and the continuity of stones.

One of the characteristics of Manten stone, a standard stone for iwagumi layout, is their angulated forms as they are mountain stones. Many of them have warm colors, but each one has slightly different color. A point of choosing a good Manten stone for your layout is to choose by their rugged texture of the surface and color.

Yamaya stone expands your layout expression depending on how you arrange them. As they do not have a strong characteristics in their surfaces and shapes, and many of them are in the size of fist, you can just pile them up randomly rather than choosing a good-shaped ones carefully.