Tsumiki Hakase, corresponding to the spatial reasoning section of Rieikai's Home Study Support Series "Bacchiri-kun Drill." Never used, brand new, still in the film. Purchased this summer from Rieikai's online store. Currently still sold on the online store (although prices seem to have increased quite a bit depending on the product, the contents of the product, such as the number of blocks and cards, remain the same, with only the addition of acrylic stands (which don't seem to be used for studying)). Purchase price: 2,640 yen (tax included), current site price: 3,740 yen. ↓ From the current site: [Product Specifications] ・15 cubic blocks (30x30x30mm) → Same ・12 stacking cards, 24 types on both sides (76x95mm) → Same ・7 viewing cards, 14 types on both sides (76x95mm) → Same ・2 acrylic stands (size of one stand approx. 44x74mm) → Not included