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Learners explore three-dimensional geometric frames including cubes and tetrahedrons, as they create bubble wands with pipe cleaners and drinking straws.

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 activity, learners investigate color vision as well as plan and conduct their own experiments.

In this activity, learners use their imaginations and experiment with different materials to create bug hats.

In this Bob the Builder(TM)-themed activity, learners go on a nature walk outside and describe what they observe using their senses.

In this activity, learners will create beautiful greeting cards by marbling with shaving cream and food dye. They will explore the chemistry behind the art of marbling.

This activity was designed for blind learners, but all types of learners can explore the process of extrusion used to produce pipes and wires in industry.

In this activity, learners will create glitter bottles with adult supervision. These are a fun way for little ones to practice observing and making comparisons.

In this activity, learners examine ways that Native Americans of the Southwest express their relationship with nature through art.

In this activity learners will build a neighborhood out of blocks and cardboard.

In this activity, learners will make a marionette puppet and put on a show. Learners will explore color, design, fabrication and storytelling through this activity.

This is an activity exploring color and color mixing.

In this activity, learners are challenged to design and construct a trophy for prize-winning sports equipment.

In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.

In this fun snack and craft activity, young learners make "Ants on a Log" and their own model of an insect. The purpose is to learn the three main insect body parts—head, thorax and abdomen.

In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path.

In this activity, learners draw natural objects to explore the details, differences, and similarities of natural objects.

In this indoor and outdoor activity, learners discover that insects grow and develop as do all living things, going through a process known as complete metamorphosis.

In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.

This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.