Thanks for the challenge.
This is my rocket
The first and second stages are for getting into orbit. The third and fourth are for getting to the mun.
The probe uses a combination of rockets and lithographing for the landing. The probe is a stayputnik, battery, small reaction wheel, and 4 surface mount anteanae.
Scoring;
Expendable, 1 powered landing, broke 100 km, landed on the mun
10+100+100+200+100
510 points