WISSNER Active Learning 100 Calculating Frame Red/White RE Wood

Abacus made of 100 numbers, 25 x 17 x 4.5 cm; frame parts and balls (diameter 13 mm) made of Rewood. All parts are screwed together. Very sturdy design with stainless steel rods Counting and all basic calculations (addition, subtraction, multiplication and division), but also number size comparison in the range 0 to 100 can be consolidated easily and vividly Packaged in shrink film, complies with toy standard DIN EN71-3 Made from rewood (100% recyclable, PEFC seal certified and free from harmful substances) Made in Germany.