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Activity set for scratched and concentric figures.
Plastic tables of scratched and concentric figures.
Set of geometric shapes: circles, squares, and triangles.
Twelve identical blue triangles for sensory activities.
Five boxes with geometric triangles for creating complex shapes.
The second color box with eleven pairs of colored tiles.
The first color box with six pairs of colored tiles for primary colors.
A set of four color cylinders without stems for size discrimination.
The first of four cylinder blocks. It develops visual discrimination and coordination.
Ten brown prisms from thickest to thinnest with clear varnish. Develops thickness discrimination.