150 Brain-Training Challenges: I am twice Sarah’s age and half Élise’s age. Together, the three of us are 84 years old. How old am I? Here are 150 original, fun challenges for the whole family designed to stimulate attention, logic, creative thinking, language skills, and math abilities.
Contents: 50 cards with 150 challenges; game rules.
Skills: Logic and math; attention; memory; language; creativity.
