The stone tablets that contain the 10 Commandments are in the Ark and the Ark is in Heaven as Revelation 11 seems to suggest: Revelation 11:19And the temple of God was opened in heaven, and there was seen in his temple the ark of his testament: and there were lightnings, and voices, and thunderings, and an earthquake, and great hail. Hebrews 9:4 tells us what is in the Ark:Which had the golden censer, and the ark of the covenant overlaid round about with gold, wherein was the golden pot that had manna, and Aaron's rod that budded, and the tables of the covenant;