SKU: 4BTPPackage 4 Colors

GAriGrid Brain Training Pen is great for training the human brain to be come more powerful and knowledgeable. It exercises the brain and increases memory levels. The pen is easy to operate with simple play feature requiring “YES” or “NO” buttons for operation. Key Definition: There are two buttons: “YES” and “NO,” plus a Reset key. “YES” Button Features: - Press “YES” to choose game topic. - Press “YES” to turn on the brain training game. - Press “YES” to confirm the mathematic answer is correct. “NO” Button Features: - Press “NO” to confirm the mathematic answer is wrong.