PVC Sprinkler Water Toy - how smart is this? 10 bucks worth of materials from the hardware store will bring lots of joy this summer. :) TWIST use a couple of pipes and plastic streamers as well, call it a "car wash" and ride bikes through it.
Dinosaur week: Fun & Simple dinosaur activity for kids! Maybe for older kids give each shape a numerical value and have them add how much their dino is worth. Can use with class to compare/contrast amounts, etc.