by bin athiest

Some piggy banks may have a magnetic feature to help secure coins in place, but not all piggy banks are magnetic. Magnetic piggy banks are designed with a magnetic base that attracts metal coins to keep them in place.

• store:AC.MOORE & MICHAELS
• also foil and cardboard

yes it can.

Pure nickel is magnetic at/or near room temperature but above and ceasses to have this property above 355°C.

Nickel base superalloys are used in ultra critical components of aero engines where magnetism will be detrimental,so be rest assured nickel base superalloys are not magnetic.