Dot-S

 is a toy product found in Japan. It is used to assemble pictures, some of which are Mario and Luigi sprites.

Use
Each set contains a different number of pegs in various colors, used to create pictures. Also included are a number of trays that can be attached to create larger pictures.

Sets
These are some of the sets:
 * Mario set
 * Luigi set
 * Mario large set
 * Luigi large set
 * Nintendo Classics set