Classic Wooden Blocks For Toddlers From 5 Types Of Wood, 20- Pieces20 wooden pieces made from oak, beech, ash, maple and thermo ash. Smooth, unfinished surfaces for tactile exploration. Allows children to feel natural warmth and wood grain. Encourages sensory development and motor skills. Promotes hand eye coordination and spatial reasoning. Supports early math, shape recognition and problem solving. Stimulates creativity, imaginative and engineering play. Encourages cooperative play and social skill development.