Increase your IQ for success in professional and personal life. Over 2000 fascinating logic, language, math & picture puzzles! The average God-given IQ of an adult is 150. The average effective (day-to-day) IQ is a mere 100-110. Medical science cannot yet increase the God-given IQ. However, we can increase the daily effective IQ by various mental activities chief among them puzzle solving. Put a puzzle in front of a child and watch what happens....
De Brain Puzzles for Adults is een populaire optie voor Puzzels & Quizzen. Esy heeft 1 prijs gevonden, de goedkoopste keuze is volgens ons Bol, maar bekijk de andere aanbieders om het zeker te weten. Links openen in een nieuwe tabblad. Bekijk hier onder de product specificaties. Meer product informatie beschikbaar bij Bol.
Brain Puzzles for Adults is onder andere te koop bij: Bol. Esy raadt altijd aan om meerdere aanbieders te bekijken om geen last minute deals mis te lopen.
Calcudoku (also known as Mathdoku) is a mathematical and logical puzzle loosely similar to Sudoku.The objective is to fill the grid in with the digits 1 through N (where N is the number of rows or c...
Calcudoku (also known as Mathdoku) is a mathematical and logical puzzle loosely similar to Sudoku.The objective is to fill the grid in with the digits 1 through N (where N is the number of rows or c...