Each picture has the subject isolated on a white background, with pictures that show every detail, these 4¼” x 4¾” cards are aimed at giving children...
ETC pioneered the use and combination of black and white photography with full color pictures to point out individual parts of a whole. Similar to our elementary "parts of..."...
A set of 100 plastic cards (7 x 7 cm) printed with numbers and geometric figures. Used for teaching counting to 100, learning prime numbers, common multiples and more. Includes...