ROFESSIONAL RELIABILITY GOES BACK CENTURIES: This digit standard abacus/ soroban calculator is the abacus in classical form, featuring the system used before modern numerals that are still used in parts of the world by merchants, traders, and clerks.
A GREAT EDUCATIONAL TOOL: When learning on the abacus, math practice can be more effective because you may remember more. This makes using an abacus for kids math a great way to teach them how to count and equate and is widely used this way.
SOLID PLASTIC FRAME: Quality design has been taken to the next level with this digit standard soroban abacus with a plastic frame, making it a decorative piece that's home friendly.
FEATURES MODERN CONVENIENCES: This 17 digit professional soroban abacus is a sturdy abacus set made to stay put, measuring in at 10.5 x 2.5 x 0.75 in (26.5cm x 6cm x 1.5cm).