Learning Resources Nestable Pan Balance. The brightly coloured Nestable Pan Balance lets children explore measurement, weight, and equivalency. The clear 500ml pans can hold liquids or solids, and the equivalency dial can be moved as children learn and explore greater than, less than, and equal to. The scale assembles and disassembles in 3 quick and easy steps and the pieces nest together for convenient storage. : Includes 1 Nestable Pan Balance with 2 pans, storage base with handles, and Activity Guide. Scale measures 45cm L x 15cm W x 25cm H when assembled, and 40cm L x 15cm W x 11cm H when stored. Pans measure14.5 cm in diameter. Ages 3+.