Watermelon Seed Counting - Cute and simple summer counting activity! FREE watermelon template or you can make them out of paper plates and have them color it for some art fun!
Rainbow activities: Rainbow writing salt tray + lots of other fun rainbow-themed literacy ideas.
FREE ESL Idea Classroom Library Organization by Lessons with Laughter
Decorate a designated "Share Chair" for students to use when sharing writing or other accomplishments. 36 Clever DIY Ways To Decorate Your Classroom
Rit dyed clothes pins -- This is such an easy way to color them! Great idea for adding a punch of color to clothes pins on clip-it behavior charts.
Making Names with Water Bottle Caps in and Or how about spelling word practice in older grades?