Attribute Blocks, Plastic, Desk Set (#7101 or #19560)
A wonderful manipulative to aid in classification, congruent vs. similar, fractions, proportions, comparing, patterning and more. Blocks are different in color, shapes, sizes, and thicknesses. Comes with plastic compartmentalized storage tray with sorter lid. 60 piece set includes 5 shapes in 3 colors and 2 sizes with two degrees of thickness. Compartmentalized plastic storage box with lid that functions as a sorter. 3.8 cm to 7.6 cm
WARNING: CHOKING HAZARD Small parts. Not for children under 3 yrs.