Excellerations Engineered To Build Blocks - 44 Pieces (Item # Nerdblk)Identify, Compare and contrast objects by attributes (shape, size, color) to develop vocabulary, mathematical reasoning and logical thinking skills. (Observing, sorting, categorizing and drawing Conclusions are key process skills in all Curriculum areas; the basic, recognizable shapes in visually stimulating colors invite exploration and discussion; pattern cards in 3 Skill levels provide opportunities for children to construct 3 D structures from 2 D