Trinca ~A Math Formula Game to Sharpen Your Mind~ Arithmetic Olympics University of Tokyo Arithmetic Research Group Co-developed with mathematician Peter Frankl Play and Get Better at Math For 2-4 players Fun for kids and adults! Retail Price: 1800 yen A game with "calculation ability" as its motif, newly devised by the Argo development team ⭐︎ It's a game where you complete mathematical formulas by repeatedly performing simple arithmetic operations and compete for points. By repeatedly performing calculations, you'll develop concentration and analytical skills, and improve your logical thinking abilities! For children who love math! Fun for the whole family♪ Includes instructions, and everything is complete ^ ^ The case is made of plastic and is durable. Immediate purchase welcome The box shows some yellowing from storage. The contents are unused. The cards and tape have not been removed. This is a rare item that is no longer sold. - Product Name: Trinca - Game Type: Math Formula Game - Target Age: 2.4 years and up - Number of Players: 1-4 - Contents: Cards, board 25-1204-115001