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These three short activities challenge groups to fit objects through paper and index cards: "Slots" presents the challenge for one learner to figure out which objects fit through a hole cut by another

In this hands-on engineering project, kids use two simple machines, levers and inclined planes, to construct their own pinball machines.

Students design and build their own parachutes in this hands-on engineering project.

In this engineering activity, learners construct sturdy geodesic structures out of gumdrops and toothpicks. Use this activity to explore engineering principles as well as sturdy shapes and triangles.

In this activity, learners mix milk, vinegar, baking soda, and water to create sticky glue. Use this activity to explain how engineers develop and evaluate new materials and products.

In this tabletop board game, players will represent a team of scientists and engineers sending a spacecraft on a mission to space.

Learners explore the endless possibilities of cardboard engineering in this open-ended STEAM activity. Practice being creative by building structures with no glue, only cardboard and scissors.

In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.

In this engineering activity, challenge learners to construct a paper bridge that can support 100 pennies.

In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.

In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.

In this project, students explore how levers work, by making a puppet with moving limbs.

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

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

In this activity, learners design, build and test a model suspension bridge for sturdiness and strength.

In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart.

In this design activity, learners create a vehicle that can transport a load, like a favorite toy or as a recycled object, from the top of a zipline to the bottom using only gravity.

In this activity, learners build a kite out of paper, change it, and try to make it fly even better. With their new knowledge of kite making, students can then go on to create their own kite designs.

In this activity, learners will imagine the challenges and opportunities of asteroid mining.