In this activity, investigate different shapes in order to determine which shape is the strongest. Design and construct a number of roofs to be placed on a previously built house. Then test the structures by pushing on the top of the roofs.

In this activity, design and construct a LEGO brick wall that is at least 4 inches high. The wall must be capable of withstanding the “flick test” (a simple flick of the finger).

Students will construct a sturdy chair for a stuffed-animal bear. The chair must be able to support the bear from the front, sides and back. Ultimately, the chair must keep Mr. Bear in a sitting position without him falling out of the chair.

Students will investigate the properties of sturdy structures by constructing a LEGO wall. The wall must be about 6 bricks high and withstand the "Flick Test". The Flick Test involves flicking the top of the wall to see if the wall fails or tips over.

Students will investigate different shapes to determine which shape is the strongest. Students will construct a roof to be placed on a previously built house. The roof must reflect their shape choice for the strongest shape. To test their structure, they will push on the top of the roof to check its...

Students will determine the best structure for a sturdy car. Students do not have to attach motors, but the car must roll with wheels and skid plates. Each student pair will test their designs by the drop test. This involves dropping their car from a height of 4in.

Students will practice building sturdy structures by constructing a sturdy LEGO tower using LEGO beams. The tower must be able to support a stack of books.