Warning: Choking Hazard - Small Parts. Not for children under 3 years.3 years & up. Teach weight, measurement and grams with this strong, durable, plastic balance! The scale features detachable buckets with sliding compensators for zero adjustments. This scale is sized perfectly for classroom use or at home. Includes five each of 5 gram and 10 gram Hexagram® weights. 24.5"L x 8.5"W x 14"H.