Swallowed magnets can stick together across intestines causing serious infections and death. Seek immediate medical attention if magnet(s) are swallowed or inhaled.
Engage children in practicing place value notation from decimals to billions with this set of write-on/wipe-off cards, for use with dry-erase markers (not included). Use for any place value activity or with our large format Active Place Value Set. Set of 10 (15" x 5" each). Includes teaching notes.