Learn multiplication tables in a fun and exciting way! You build it and use the set of pivoting links to show the multiplication product of two numbers. The multiplication machine is a useful study table accessory for kids helping to improve mental multiplication and building skills all while having fun! Details: Multicolor 12.9" x 2" x 9.8" Designed for STEM learning Illustrated instructions included Simple assembly required Nontoxic, sustainable wood materials For ages 6 and up