Guidecraft Unit Block Set D - 135 Pcs

2 years & up. Children explore geometric and engineering builds while developing their fine motor, spatial thinking, and problem solving skills through open-ended quality block play with this set of 135 unit blocks. Smooth-sanded rubberwood pieces encourage young builders to create buildings, bridges, and structures, stimulating young minds with an incomparable experience of traditional block play while providing hours of continuous play.