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 56 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.
* For extended play, try this set with Block Science Foundation Set B