two oneza two, two twoza four... cram it till you jam it is old school. so, we have created a multiplier to help your child learn the tables in a different and fun way! this mechanical toy uses a set of pivoting links to tell you the multiplication product of 2 numbers. with two built in number dials, select two random numbers from 1 to 12 and multiply them mentally. then, note the guessed answer in the section given, and check if the answer is correct, using the links and pointers. smartivity's multiplying machine is the most appropriate and relevant study table accessory for kids, helping them get stronger and faster at mental multiplication.