Invention Idea Box (School Kids).great for critical thinking! I had a "Building Box" in my room last year where I added items I thought kids could use to build things. (It was usually things I would otherwise throw away or recycle.) The kids loved it!
Sweet Sounds of Kindergarten : Math- Addition Cups! Cups have holes in them so that the manipulative a drop through. The kids use white board markers to write the numbers.or Velcro cups so students can dump in bottom