A variety of teambuilding tools from Trainers Warehouse.  Great for the classroom or the office:

Diversity Thumball

Create-your-own Thumball with Marker Blue & Silver

Be A Leader Thumball

Big Clear Tote Bag

Set of 25 8.5 in. x11 in. VelOmn DocuSleeves

A 4-player MeFirst v.2 wireless buzzer system (This 5-piece starter kit includes four 3" player P.A.D.s and one facilitator P.A.D., batteries included.  RF range is 80 feet.)

Desktop Fiddle Set (8 / set)