The Nestable Bucket Balance helps children explore the concepts of weight, comparison, and equivalency. This hands-on balance is made of durable plastic and features a sleek, nesting design for optimal storage. Removable, easy-to-grip, clear, 500ml buckets make it easy for small hands to pour and measure. Use with standard weights, nonstandard weights, or liquids. Find fun learning ideas in the multilingual Getting Started Guide. Balance measures 14"L x 6"W x 5.5"H when assembled, and 13"L x 6"W x 5.5"H when stowed. Accessories not included. Ages 3 - 7.