This is an item of stationery (paper or writing goods), or other small merchandise such as good-luck charms, mascot straps, et cetera.
Celebrate the 50th anniversary of manga weekly Shonen Magazine with this great catcher-game prize item from Sega! It's a bank made to resemble a copy of this iconic manga weekly. Roughly 13cm by 17cm by 6cm, with a slot in the top to deposit coins and a plug in the bottom to remove when it's time to make a withdrawal. Save your spare change, and eventually you'll have enough to buy more manga!