Had when i worked in a preschool and kids love them! I would use colored sand instead of white salt. DIY salt tray with alphabet cards. Easy to make and kids have fun smoothing out the salt after correctly making the letter
Planet cut outs. Key Concepts include: Position of the Earth in the solar system Print the worksheet on card stock, cut out, and have the students put the planets in order. Students could also number the planets to demonstrate order.