Inexpensive and ingenious! Let's Build Something Together Engineering Resources (LBSTER) invites students to create a new balancing toy design, which can be supported at its center of mass. Ss use the patterns provided of balancing birds, bats, rockets and reindeer as inspiration for investigation and ignite their imagination. The balancing toy seems to defy gravity but is actually taking advantage of it. Using scissors, cardboard and coins, Ss explore: how the effect of the position of the cen