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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.

In this engineering activity, learners design their own board games.

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

In this game (on pages 14-21), learners explore how each human being inherits genetic traits such as eye color.