Mezuzah- front doorposts and doors. conatins the shema written. kiss hand after touching it, reminding them of their loving and affectionate relationship twoards God.
Siddur- prayer book. alows flexibility of prayer, treated with much respect.
Modeh Ani- morning prayer reminding them to be grateful. "Grateful Am I". starting their day with God in their minds and hearts.
The Shema- prayer saying that the Lord is One, found in the mezuzah
"Hear O Isreal, the Lord you God is One" reminder of the first commandment.