Package includes: 8 x Balance Birds with Triangle StandIdeal tools for physics and science teachers to teach people about balance, gravity in a fun way. Can be used as scientific demonstration. Educational Figurines to stimulate imagination and curiosity.Rest it on its stand or the tip of a finger,the beak can be balanced anywhere,spin it, stop it, flip its wings - the eagle won't fall off.When you feel upset and angry, sad and fiddle it, will vent your bad feelings, reduce stress and anxiety.Science Supply Large Balancing Bird: 5.1 inch Wingspan - Physics Demo.