The letters are about 1.5 inches and are perfectly sized for little hands. Bright fun colors include Red Blue Yellow Orange and Green!Teachers agree that these magnetic letters and numbers are great. Letters and numbers are shaped accurately with correct proportions and vibrant colors including the primary colors children love. Each set comes in a durable clear storage jar with a built in handle in the twist-off cover. The letters are about 1.5 inches and are perfectly sized for little hands. Full set of uppercase letters, full set of lowercase letters, 2 sets of numbers 0-9 and 6 symbols including mathematical signs and a question mark! This attractive toy will help your little one learn while playing for hours arranging and rearranging these colorful letters & numbers on any metal board or surface including your fridge! This product meets the following core curriculum standards for Kindergarten: Finding the numbers that make 10 when adding 1 to 9 Solving addition and subtraction word problems and adding/subtracting within 10 Comparing two numbers between 1 and 10 presented as written numerals WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.