Wissner Abacus In 10 Colours 4921 Practice number concepts up to

Practice number concepts up to 120

The smooth channels are perfect for creating flowing streams and canals

Jolly Classroom is available as an annual subscription per school

it is lighter with smaller handles and is easier for little ones to use

independent readers

Wissner Abacus In 10 Colours 4921 Practice number concepts up toAbacus made of the natural material RE Wood with 100 balls in the colours yellow, green, dark blue, red, turquoise, light blue, gray, orange, brown and purple. Can be ideally combined with our system working materials, as the individual place values are coordinated with each other. All our items follow the same scheme: One = yellow Tens = green Hundreds = blue Thousands = red etc.