The PlanToys Wave Stacker is a multi-dimensional building and stacking toy. The different-sized waves are easy to grasp and are open-ended for way to stack them with one another.\n\nCan be used with existing stacking rods and base plates\nStack in a multitude of ways\nStrengthens fine motor skills, supports logical thinking and improves problem-solving\nSustainably made in Thailand using chemical-free rubberwood, formaldehyde-free glue, organic pigments, and water-based dyes.\n\nDevelopmental Benefits:\n\nGross Motor\nVisual\nFine Motor\nCoordination\nTactile\nProblem Solving\n\nAge: 5+ months