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Working in teams of four, learners build tetrahedral kites following specific instructions and using specific materials.

In this activity, learners will become an engineer by designing and engineering a miniature parachute.

In this activity, learners are challenged to design a wind-powered car using only a handful of household materials.

In this sports-themed engineering activity, learners create super bouncy balls out of balloons. Learners brainstorm, test their designs, and share results.

In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors.

In this activity, learners are challenged to create a parachute using easily sourced materials in order to transport a LEGO figure safely to the ground.

Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

In this engineering design challenge, learners animate a facial expression and make a machine (zoetrope) that plays the animation back.

In this design challenge, leaners attempt to build a strong structure out of LEGO® bricks that can withstand a 4-foot drop.

In this activity, learners build a LEGO® structure while wearing mittens. This activity shows learners how difficult it is to build small things when your tools are too big.

In this activity, learners build small animated toys that move.

In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.

In this activity, learners explore the concept of friction and how ball bearings reduce friction.

In this activity, challenge learners to design a roller coaster ride for a marble using cardboard and other simple materials.

In this activity, learners build a mini crank machine to make a bird "fly." This engineering activity introduces learners to automata, rotational motion, cranks and cams.

In this activity, learners try to put together toy bricks—wearing oven mitts on their hands! This activity shows learners how difficult it is to build small things when your tools are too big.

In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.

In this activity, learners build a figure that moves and "comes to life" when they pull its string.

In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.