diff --git a/package.json b/package.json
index f3648521..fb877879 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
         "local:ci": "cd scripts/localdev; rm -rf .child.bridge.contracts.json .root.bridge.contracts.json; ./ci.sh && ./deploy.sh && AXELAR_API_URL=skip npx mocha --require mocha-suppress-logs ../e2e/e2e.ts && ./stop.sh",
         "local:chainonly": "cd scripts/localdev; LOCAL_CHAIN_ONLY=true ./start.sh",
         "local:axelaronly": "cd scripts/localdev; npx ts-node axelar_setup.ts",
+        "local:threechains": "cd scripts/localdev; ./chains.sh",
         "stop": "cd scripts/localdev; ./stop.sh"
     },
     "author": "",
diff --git a/scripts/localdev/chains.sh b/scripts/localdev/chains.sh
new file mode 100755
index 00000000..31d3cb0b
--- /dev/null
+++ b/scripts/localdev/chains.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+set -ex
+set -o pipefail
+
+# Stop previous deployment.
+./stop.sh
+
+# Start root & child chain.
+npx hardhat node --config ./rootchain.config.ts --port 8500 > /dev/null 2>&1 &
+npx hardhat node --config ./childchain.config.ts --port 8501 > /dev/null 2>&1 &
+npx hardhat node --config ./resetchain.config.ts --port 8502 > /dev/null 2>&1 &
+sleep 10