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
Two to Three Year Old activity 'Bottle Top Alphabet' helps little ones develop Cognitive and Language skills in just 15 mins. *Match lower case to upper case letters
15 Fun and Educational Activities for Kids
Colored craft sticks are labeled with the number of sides each shape has, ie: 3 purple sticks - triangle. The children will choose a color and build the matching colored shape from the sticks. This can be a game using a timer.
15 Activities for Learning Shapes
Felt Shape Matching Game - Operation Christmas Child - Great for Year olds