30 Creative and DIY Ideas to Celebrate the 100th Day of School (2024)

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Make It a party

Decorate! Put 100 pieces of round paper confetti inside a clear, deflated baloon. Inflate & shake so the confetti sticks to the inside.
Fill a clear plastic treat or sandwich bag with 100 pieces of colorful candy. Tie the bag closed and place upside down in a paper treat cup. Glue a pompom to the top of the bag so it looks like a cupcake.
Create a garland from 100 pompoms strung on embroidery floss.
Make your kid's party hat a thinking cap! Decorate a party hat with 100 things of the same type: stickers, googly eyes, letters, numbers, happy faces, stars, toy bricks, buttons, etc.
Play a 100th day scavenger hunt game: make a list of 100 things your kids might see throughout the day, and have them cross items off their list each time they find one. At the end of the day, see who found the most!

Let kids create 100-piece snack mix bags with 10 goodies from 10 different categories (10 pretzels, 10 mini marshmallows, 10 cereal puffs, etc.)
With 10 colors, create a colorful picture using only 10 dots of each color.
Write a 10-line poem with 10 words in each line.
10x10 Fitness Challenge! Choose 10 activities (10 jumping jacks, 10 sit-ups, 10 push-ups, 10-second plank, etc.) and challenge each other to do one set of each.
10x10 Balance Challenge! Choose 10 different lightweight items and, one at a time, try to balance each one on your head for 10 seconds.

Dress up in grand 1918 style: big hats, long, narrow skirts, and winter muffs to keep your hands warm
Watch a short film from 1918, like Charlie Chaplin's A Dog's Life or The Cook, starring "Fatty" Arbuckle and Buster Keaton
Play a game that was popular in 1918, like marbles or jacks
Make traffic light treats: spread peanut butter on a graham cracker and top with red, yellow, and green candies (the three-color traffic light was first introduced in New York City in 1918)
Breakfast like it's 1918: iced currants, dried beef in cream, hominy muffins, or dropped eggs on toast!

Ask kids what they think the world will be like 100 years from now.
Create "Me at 100 years old" self-portraits.
Dress up like you're 100 years old.
Make a list of 100 things you want to do before you're 100.
Test predictions! Ask kids to guess how much or how far 100 units of something will be. For example, how far can they travel in 100 steps? How tall is a stack of 100 pennies? Will 100 drops of water fill a paper cup? How long will a line of 100 drinking straws reach? After they've guessed, test their predictions.

Search for images of everyday things—like snowflakes, flower petals, or sugar—at 100x magnification.
"What would happen if..." Have a laugh while you and your kids imagine things, like your cat or a train, 100x bigger or smaller than they are!
Make a batch of 100 doughnuts—100x smaller! Decorate whole grain cereal Os with chocolate and sprinkles, cinnamon sugar, powdered sugar, frosting, or other toppings, then arrange them in a tiny box or tin lined with tissue paper for a bitty breakfast treat.
Compare batches of 100 things—100 coton balls, 100 chocolate chips, 100 hair elastics—to see how different "100" can look.
Look at a map together to see what cool things you can find 100 miles from home.

With friends or classmates, create 100 bookmarks to donate to the library.
Hold a donation drive, and set a goal of gathering 100 books, toys, or pairs of gloves to donate to a local organization.
Make a bouquet of 100 lollipops for your daughter to take to her teacher (push the sticks into a ball of florist's foam set in a jar or low vase tied with a ribbon.)
Together, think of 100 ways to make someone smile.
With your family, class, or club, write 100 notes of thanks to the people who serve your community: firefighters, coaches, police officers, groundskeepers, teachers, community center staff, volunteers, principals, custodians, grocers, EMTs, mail carriers, etc.

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