this site gives many suggestions for team building activities. These activities are very diverse and work in things like listening, collaboration, creativity, etc. Also, many of the activities are very fun and good for any age.
Feed the LEGO Monsters: A Sorting and Building Game for Kids
Listening - Even though this says "listening game for adults", I think it would be great for the elementary classroom as well. It gives students the opportunity to strengthen listening skills as well as cooperation skills, plus it would be fun!
Self-Esteem Building Activities for Kids - Kiddie Matters Valentine;s Day is a great time to encourage kids to love themselves. These self- esteem building activities are great for teaching kids the importance of self-love.