Use post it notes and have children match the letters in their name.
Use a thick marker and draw different lines, zigs, and zags for children to cut.
Make an alphabet strip and have you child match the correct post it to the letter strip. (You can do matching upper case to lower case as shown. Or use all uppercase or all lowercase.)
Have your child match numbered post it notes to their quantity.
Snacks and number matching :). While enjoying a snack have your child connect numbers to their quantity.
Sensory Writing!
Use rainbow sprinkle in a container for practicing writing letters and numbers.
Use shaving cream on a pan or table top for your child to practice writing letters and numbers.
You can also use shaving cream on a glass window or door for writing practice.
Or even to do some art :)
Use sand in a pan or container for your child to practice writing letters and numbers.
To brighten things up, make rainbow rice for your child to practice writing! :)
(A useful outcome and a fun science experiment) Directions May Help
Use construction paper on a pan to create a colorful background or some salt to practice writing.
Bring in some color and create colorful salt for your child to practice their writing.