4 wooden block of cylinders, each containing 10 cylinders with knobs, fitting into its respective socket in a given block.

Knobbed cylinder 1: Decrease in height and diameter

Knobbed cylinder 2: Decrease in diameter, increase in height

Knobbed cylinder 3: Equal diameter, decrease height

Knobbed cylinder 4: Equal height, decrease in diameter

Direct aim: visual discrimination of height and diameter

Indirect aim: develop pincer grip, concentration, independence

Demonstration: remove each of the knobbed cylinder, using pincer grip and place them randomly on the mat, standing. Show empty sockets. To place them back: pick up with your left hand, feel the cylinder and the socket and place gently back