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Recycled needle cases

Save the clear plastic containers that pencil lead comes in. They make great needle cases!
Shell PDF  | Print |  E-mail

A shell is the hard, rigid outer covering, or integument, of certain animals. More specific scientific names include exoskeleton, carapace, and peltidium. A shell may be made of nacre (a combination of calcium and protein), chitin, bone and cartilage, or silica.