Durable and light weight these magnetic counters emulate the original counters and best of all they're two-sided. An excellent tool for counting and sorting. These counters can model concepts from sorting to probability. Set of 200 is packaged in a plastic bucket. WARNING CHOKING HAZARD: Small Parts. Not for Children Under 3 yrs. WARNING: This product contains small magnets. Swallowed magnets can stick together across intestines causing serious infections and death. Seek immediate medical attention if magnet(s) are swallowed or inhaled. Not for children under 3 yrs.