IQ Digit Brain Training Puzzle Game SG301JP Authentic

I fell in love with the design and purchased this on Amazon in 2025.
I tried it once, but it wasn't to my liking as a puzzle, so I'm putting it up for sale.

Photos ①② - Photos from the online shopping site
Photos ③④ - Actual photos (all accessories included)

[Here's the product description from Amazon when I purchased it]
Hugely popular in Europe! A brain-training game from SmartGames, a puzzle game born in Belgium. This brain-training puzzle game is enjoyable for children and adults alike, and challenges you with 120 increasingly difficult challenges!
IQ Digits is a puzzle game where you fit digital number pieces perfectly to solve the numbers. The challenge is successful if you can accurately show the specified total and place all the puzzle pieces on the game board!
The puzzle game, which involves trial and error, offers a different kind of fun than digital games. Enjoy a non-digital time and activate your brain by moving your fingers with this analog game that uses your head.
This board game, which is as interesting as digital games, is perfect as an educational toy for special presents like birthdays and Christmas.
Includes a Japanese "How to Play and Rules" instruction manual / Compact size for easy portability / Package size: Approximately 14.5cm wide x 14.5cm high x 2cm deep / Game board size: Approximately 14.1cm wide x 14.1cm long x 1.9cm high / Target age: 7 years and older