Learning Resources Nestable Bucket Balance. The Nestable Bucket Balance is a compact, easy-to-assemble scale ideal for learning about measurement, weight, and equivalency. The scale assembles and disassembles in 2 quick and easy steps, and pieces nest together for easy, convenient storage. The clear buckets can hold up to 500ml of liquid or solid, and the equivalency dial can be moved as children learn about greater than, less than, or equal to. Includes 1 scale with 2 buckets, 1 storage base with handles, and Activity Guide. Scale measures 14cm H x 15cm W x 36cm L when assembled, and 14cm H x 15cm W x 33cm L when stowed. Ages 3+.