Magnet alphabet.

 Let your children learn to read and/or operate with this set of letters, numbers and math symbols.

Include upper and lower case letters, numbers and math symbols. 

Choose only the elements you need (i.e. almost you need more wovels than consonants, and more e's than u's)

Uses 8x2 magnets (for all the elements at least you need 4 packs of 20 elements)