Learn about this simple machine and make a pulley of your own to use for fun science trials.

Make a backbone model to explore human anatomy and life science.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Make edible amber fossils with your second grader to explore the fascinating world of science!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Help your child make a beautiful homemade sandcastle that will last!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!