Make this cool iPod or cell phone case for Dad out of one of his little-used ties.

This science fair project idea studies how talking on a cell phone affect driving?

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

Finding the greatest number is great math practice! This strategic card game will help reinforce the concept of number value as well as addition facts.

Send your child on a hunt throughout the house for numbers to help develop her number recognition and ordering skills.

What's my number? Go ahead and guess! This logic game focuses on number sense that suits all ability levels, as players' questions can be simple or complex.

Play this fun matching game with your kindergartener! It's a great way to practice math and number skills with playing cards.

Here's an easy activity that will help your preschooler improve his number recognition and math skills while satisfying his afternoon hunger.

In this activity your little one will throw a beanbag at a numbered target to help improve their number recognition skills.

Help your child learn her numbers and how to count with this fun number game!

Help your child develop his counting and language skills with this fun activity. He'll be a number hero for a day and learn about safety while he's at it.

Use this fun spin-off of Bingo to help your child practice number recognition and listening skills!

Want to make number skills second nature to your preschooler? Try these cheerful, "sunny" number flash cards!

Wondering how to help your child get a handle on prime numbers? Turn her into a prime number hunter with this hundreds chart activity.

The ability to identify number patterns is one of the building blocks to success in higher-level math and this game is the perfect way to practice.

Check out this interactive number line. It's a great way to strengthen your preschoolers understanding of basic numbers and the numerals that represent them.

In this leap frog activity, your child will use her muscles to jump over her friends and onto lily pads as she practices number recognition.

Combine fun sensory play with early number awareness in a squishy sun catcher project. It's a fun way for your kid to learn about numbers.

This experiment explores how listening in to a one-sided conversation affects concentration.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Playing the Number Sentence Game with your child gives him the opportunity to practice ordering and comparing numbers using symbols.

Strengthen your child's number recognition skills with this fun game using an old, empty egg carton!

Not every poem needs to be about leaves and love. If your fifth grader is more attached to his phone or computer, introduce him to the apostrophe poem.

Build this game, and give your kid some hands-on practice ordering numbers. Soon your first grade kid will be Master of the number line!

Try this new twist to the traditional memory game to help your learner match number symbols to the correct quantity while sharpening their memory skills!

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Got a shoelace? Got a kindergartener? Help your child learn to use the number line by creating one out of a lace.

This experiment will evaluate how texting and talking on cell phones influence reaction time.