diff --git a/start-node.sh b/start-node.sh
index 1e52ba8..61cef1b 100755
--- a/start-node.sh
+++ b/start-node.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # errors are handled gracefully to tell the user
-# set -euo pipefail
+set -euo pipefail
 
 # ----------------------------------------
 ALLOW_MAINNET_EXTERNAL="false"
@@ -132,7 +132,7 @@ select connection_type in "${connection_options[@]}"; do
 done
 
 # Define the list of available networks
-available_networks=("mainnet" "preprod" "preview" "sanchonet-pig" "sanchonet-chicken")
+available_networks=("mainnet" "preprod" "preview" "sanchonet")
 
 
 # If user selected external node configuration
@@ -233,7 +233,7 @@ echo
 echo -e "${CYAN}Setting up Docker node...${NC}"
 
 # Define the list of available node versions
-available_versions=( "10.5.3" "10.5.1")
+available_versions=( "10.5.3" "10.5.4" "10.6.2" )
 
 # Initialize variables to avoid unbound variable errors
 network=""
@@ -283,11 +283,7 @@ else
 fi
 
 # Normalize network name for directory/container naming
-# sanchonet-pig and sanchonet-chicken both normalize to sanchonet
 network_normalized="$network"
-if [ "$network" = "sanchonet-pig" ] || [ "$network" = "sanchonet-chicken" ]; then
-  network_normalized="sanchonet"
-fi
 
 # Function to assign a unique port based on version
 # This ensures different versions on the same network use different ports
@@ -395,7 +391,7 @@ dumps_dir="$base_dir/dumps/$network_normalized"
 utilities_dir="$base_dir/utilities"
 
 # Base URL for node config files
-if [ "$network" = "sanchonet-pig" ] || [ "$network" = "sanchonet-chicken" ]; then
+if [ "$network" = "sanchonet" ]; then
   config_base_url="https://raw.githubusercontent.com/Hornan7/SanchoNet-Tutorials/refs/heads/main/genesis/"
 else
   config_base_url="https://book.play.dev.cardano.org/environments/$network/"
@@ -447,9 +443,18 @@ config_files=(
   "alonzo-genesis.json"
   "conway-genesis.json"
   "peer-snapshot.json"
-  "guardrails-script.plutus"
 )
 
+# add dijkstra-genesis.json for 10.6.2
+if [ "$node_version" = "10.6.2" ]; then
+  config_files+=("dijkstra-genesis.json")
+fi
+
+# add checkpoints.json for preview and mainnet (not available for sanchonet or preprod)
+if [ "$network" = "preview" ] || [ "$network" = "mainnet" ]; then
+  config_files+=("checkpoints.json")
+fi
+
 # Change directory to the config directory and download files
 echo -e "${CYAN}Downloading configuration files...${NC}"
 cd "$config_dir" || exit
@@ -463,53 +468,6 @@ for file in "${config_files[@]}"; do
   curl --silent -O -J -L "${config_base_url}${file}"
 done
 
-# Create custom topology.json for sanchonet-chicken
-if [ "$network" = "sanchonet-chicken" ]; then
-  echo -e "${BLUE}Creating custom topology.json for sanchonet-chicken${NC}"
-  cat > topology.json << 'EOF'
-{
-  "bootstrapPeers": [
-    {
-      "address": "sanchorelay1.intertreecryptoconsultants.com",
-      "port": 6002
-    }
-   ],
-  "localRoots": [
-    {
-      "accessPoints": [
-     {
-      "address": "sanchorelay1.intertreecryptoconsultants.com",
-      "port": 6002
-     },
-     {
-      "address": "9.tcp.eu.ngrok.io",
-      "port": 20802
-     },
-     {
-      "address": "34.19.153.32",
-      "port": 6002
-     },
-     {
-      "address": "relay.hephy.io",
-      "port": 9000
-     }
-       ],
-      "advertise": false,
-      "trustable": true,
-      "valency": 4
-    }
-  ],
-  "publicRoots": [
-    {
-      "accessPoints": [],
-      "advertise": false
-    }
-  ],
-  "useLedgerAfterSlot": -1
-}
-EOF
-fi
-
 # Return to the base directory
 cd "$base_dir" || exit
 
diff --git a/stop-nodes.sh b/stop-nodes.sh
index 2e19840..043f6db 100755
--- a/stop-nodes.sh
+++ b/stop-nodes.sh
@@ -1,23 +1,66 @@
 #!/bin/bash
 set -euo pipefail
 
-# Stop all cardano node containers matching the pattern node-*-*-container
-# This handles versioned containers (e.g., node-preprod-10.5.3-container)
-echo "Stopping all Cardano node containers..."
+# Define colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[0;33m'
+BLUE='\033[0;34m'
+CYAN='\033[0;36m'
+NC='\033[0m' # No color
 
-# Get all running containers and filter for node-*-*-container pattern
+# Get all running containers matching the node pattern
 containers=$(docker ps --format "{{.Names}}" | grep -E "^node-[^-]+-[^-]+-container$" || true)
 
 if [ -z "$containers" ]; then
-  echo "No Cardano node containers found running."
+  echo -e "${YELLOW}No Cardano node containers found running.${NC}"
   exit 0
 fi
 
-# Stop each container
-for container in $containers; do
-  echo "Stopping container: $container"
+# Convert to array (compatible with Bash 3.x on macOS)
+container_list=()
+while IFS= read -r line; do
+  container_list+=("$line")
+done <<< "$containers"
+count=${#container_list[@]}
+
+# Non-interactive mode (CI or piped input): stop all containers automatically
+if [ ! -t 0 ] && [ ! -t 1 ]; then
+  echo "Stopping all Cardano node containers..."
+  stop_list=("${container_list[@]}")
+else
+  # Interactive mode: let user choose
+  echo -e "${CYAN}Running Cardano node containers:${NC}"
+  for i in "${!container_list[@]}"; do
+    echo -e "  ${GREEN}$((i + 1))${NC}) ${BLUE}${container_list[$i]}${NC}"
+  done
+  echo -e "  ${GREEN}$((count + 1))${NC}) ${RED}Stop all${NC}"
+  echo
+
+  echo -e "${CYAN}Select a container to stop (1-$((count + 1))):${NC}"
+  read -r choice < /dev/tty
+
+  # Validate input
+  if ! [[ "$choice" =~ ^[0-9]+$ ]] || [ "$choice" -lt 1 ] || [ "$choice" -gt $((count + 1)) ]; then
+    echo -e "${RED}Invalid selection.${NC}"
+    exit 1
+  fi
+
+  # Build list of containers to stop
+  if [ "$choice" -eq $((count + 1)) ]; then
+    stop_list=("${container_list[@]}")
+  else
+    stop_list=("${container_list[$((choice - 1))]}")
+  fi
+fi
+
+# Stop and remove selected containers
+for container in "${stop_list[@]}"; do
+  echo -e "${YELLOW}Stopping: $container${NC}"
   docker stop "$container" 2>/dev/null || true
   docker rm "$container" 2>/dev/null || true
+  echo -e "${GREEN}Stopped: $container${NC}"
 done
 
-echo "All Cardano node containers stopped."
\ No newline at end of file
+echo
+echo -e "${GREEN}Done.${NC}"