This is the Gakken Electronic Block Special Pack, the adult science product version. Since there are no signs of it being opened (the seal has not been peeled), it is a new, unopened item. The box has scratches and scuffs due to aging. Please check the images for details. Since it is unopened, we have not been able to check the contents or confirm its operation. Please be aware of this. As this is an old item, we ask that only those who understand this purchase it. There were many similar products, but since no one else was selling the same type, there was nothing to refer to, so we are listing it at this price just in case. (The difference from similar products is that the design on the front of the package is slightly different, and there are two barcodes instead of one, etc.) Instant purchase is available. #Gakken #Gakken #AdultScience #ElectronicBlock #Retro