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In this activity, learners build water-propelled engines from soft drink cans.

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 activity, learners will explore engineering concepts to construct a blanket fort using materials sourced from home.

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

In this activity, learners will test the strength of different brands of paper towels.

In this activity, learners of all ages will design a functional bird feeder using familiar, every day materials.

In this engineering design challenge, learners build an air-powered spinning machine.

In this engineering design challenge, learners build an octopus-inspired suction pad that can grab an object and hold it tightly in the air.

In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.

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

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.

In this activity, learners will explore how and why weight distribution works.

In this activity, learners design and build a Zoom-a-rang using everyday materials. Experiment with different materials and Zoom-a-rang designs to see how they fly.

In this activity, learners will engineer a new shape and use it to create a new pattern with no wasted space.

In this activity, learners use simple, everyday materials to experiment with balls and ramps.

In this activity, learners will design a seed and test how it travels. Learners will use the Engineering Design Process to create a seed which can move from place to place.

In this activity learners will build roller coasters and test them using small balls or marbles.

In this activity, learners will explore engineering to construct an insect collecting tool (insect aspirator). The pooter uses suction to safely collect smaller insects that nets miss or may injure.

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.