Brain Flakes 150+ Piece Tube-Go Gray - Classic Grey Single Color Add-On Travel SetProduct Description Brain Flakes brand discs from VIAHART are a new construction toy that teaches children spatial thinking and lets imaginations run wild! This tube contains over 150 grey discs, which means hours of endless fun and engineering education. In addition to brain building, Brain Flakes discs improve the coordination and dexterity of young children, keeping both their minds and bodies active! The discs measure 1. 3 inches across and are 1