Listing of 2 sets of Learning Resources, 1000 pieces each. * One set is [Unopened]. * The other set is [Opened] and may be missing some blocks. Also, there is a crack in part of the case (container). Due to the cracked area, the condition is listed as "Slightly Damaged or Dirty." Please check photo 3 for the cracked area. The opened set may have scratches or scuffs due to use and storage. Please be aware of this beforehand. This can be used as educational material for arithmetic, calculation learning, and block play. Please purchase with the understanding that this is a used item. If you are looking for a perfect condition item or are concerned about minor details, please refrain from purchasing. If you have any questions, please feel free to comment.