Things which i present them :
1.A PLANT: as they have nt seen it in their whole life. and probably they'll work on it 2 produce it.
2. A PEN AND PAPER: to give him a autograph as a memory
3. ANY POEM: as literary work remains for ages
4. ANY SONG: as he can listen our language
5. AN INSTRUMENT: so that he may get some idea to use things.
6. MATCH BOX: 2 show him light(as it will nt burn loss of atmosphere)
7. WATER: to tell him that v r dependent on this