diff --git a/sandbox/base/main.c b/sandbox/base/main.c
index 795e768..18cc69b 100644
--- a/sandbox/base/main.c
+++ b/sandbox/base/main.c
@@ -1,6 +1,8 @@
 #include <stdio.h>
 #include <stddef.h>
+#include <stdlib.h>
 #include <inttypes.h>
+#include <time.h>
 #include <sys/mman.h>
 #include <socks/types.h>
 #include <socks/memblock.h>
@@ -22,6 +24,7 @@ static void *system_memory = NULL;
 
 int main(int argc, const char **argv)
 {
+	srand(time(NULL));
 	system_memory = mmap(
 			NULL,
 			MB_TO_BYTES(MEMORY_SIZE_MB),
@@ -50,8 +53,13 @@ int main(int argc, const char **argv)
 	memblock_reserve(0x30000, 0x40000);
 	memblock_reserve(0x100000, 0x10000);
 
-	phys_addr_t alloc = memblock_alloc_phys(512);
-	printf("allocated 512 bytes at 0x%" PRIxPTR "\n", alloc);
+	for (int i = 0; i < 8; i++) {
+		int size = 512 + (rand() % 16384);
+
+		phys_addr_t alloc = memblock_alloc_phys(size);
+		printf("allocated %d bytes at 0x%" PRIxPTR "\n", size, alloc);
+	}
+		
 
 	printf("memory regions:\n");