A three-dimensional model for cups, pints, quarts, half-gallons and gallons. This uniquely designed nesting set shows capacity measurement units as parts of a whole (holds up to 1 gallon of liquid). The 13" x 12" gallon piece comes apart to visually demonstrate the fractional values of each smaller unit. Set of 31 measurement containers includes: 1 gallon, 2 half gallons, 4 quarts, 8 pints and 16 cups. Simplified activity guide included; detailed teacher's guide available online.