40 buttons, 4 laces, 12 double-sided cards : plastic, cardboard ; in box, 15 x 21 x 5 cm. Ages 3 to 6. Includes plastic buttons in 4 colors (red, blue, green, yellow). Each button has between 1 to 5 holes and is imprinted with the corresponding Arabic numeral and Braille symbol.
Colors -- Study and teaching. Pattern perception -- Study and teaching. Eye-hand coordination -- Study and teaching. Motor ability -- Study and teaching. Manipulatives (Education)