100th Day Crown
A card crown decorated with 100 gems, stickers or drawn dots — great as a classroom craft.
20 min Cost $ 4 items
7 100th Day of School Activities
Activities that work for a whole class, with minimal prep. Most need nothing more than cups, paper or a timer.
7 ideas
100-Brick Tower Challenge
Build the tallest tower possible using exactly 100 building bricks, then measure it.
30 min Cost $ 3 items
100 Cup Tower Challenge
Teams race to build a tower using exactly 100 plastic cups — a classroom favourite.
15 min Cost $ 2 items
100 Seconds Challenges
How many star jumps, words or drawings can you do in 100 seconds?
5 min Cost $ 3 items
“When I’m 100” Writing and Drawing
Children draw themselves aged 100 and finish the sentence “When I am 100 years old I will…”.
10 min Cost $ 2 items
Guess the 100 Jar
Fill jars with different amounts and children guess which one holds exactly 100.
15 min Cost $ 3 items
100-Piece Counting Trail Mix
Each child counts ten pieces of ten different snacks to make a 100-piece trail mix.
20 min Cost $ 3 items