diff --git a/core/src/main/java/org/web3j/protocol/core/methods/response/Log.java b/core/src/main/java/org/web3j/protocol/core/methods/response/Log.java
index 2f38047d5..e99be3f39 100644
--- a/core/src/main/java/org/web3j/protocol/core/methods/response/Log.java
+++ b/core/src/main/java/org/web3j/protocol/core/methods/response/Log.java
@@ -207,4 +207,20 @@ public int hashCode() {
         result = 31 * result + (getTopics() != null ? getTopics().hashCode() : 0);
         return result;
     }
+
+    @Override
+    public String toString() {
+        return "Log{"
+                + "removed=" + removed
+                + ", logIndex='" + logIndex + '\''
+                + ", transactionIndex='" + transactionIndex + '\''
+                + ", transactionHash='" + transactionHash + '\''
+                + ", blockHash='" + blockHash + '\''
+                + ", blockNumber='" + blockNumber + '\''
+                + ", address='" + address + '\''
+                + ", data='" + data + '\''
+                + ", type='" + type + '\''
+                + ", topics=" + topics
+                + '}';
+    }
 }
diff --git a/core/src/main/java/org/web3j/protocol/core/methods/response/TransactionReceipt.java b/core/src/main/java/org/web3j/protocol/core/methods/response/TransactionReceipt.java
index cde20b412..c0b6f88cb 100644
--- a/core/src/main/java/org/web3j/protocol/core/methods/response/TransactionReceipt.java
+++ b/core/src/main/java/org/web3j/protocol/core/methods/response/TransactionReceipt.java
@@ -1,3 +1,4 @@
+
 package org.web3j.protocol.core.methods.response;
 
 import java.math.BigInteger;
@@ -248,4 +249,23 @@ public int hashCode() {
         result = 31 * result + (getLogsBloom() != null ? getLogsBloom().hashCode() : 0);
         return result;
     }
+
+    @Override
+    public String toString() {
+        return "TransactionReceipt{"
+                + "transactionHash='" + transactionHash + '\''
+                + ", transactionIndex='" + transactionIndex + '\''
+                + ", blockHash='" + blockHash + '\''
+                + ", blockNumber='" + blockNumber + '\''
+                + ", cumulativeGasUsed='" + cumulativeGasUsed + '\''
+                + ", gasUsed='" + gasUsed + '\''
+                + ", contractAddress='" + contractAddress + '\''
+                + ", root='" + root + '\''
+                + ", status='" + status + '\''
+                + ", from='" + from + '\''
+                + ", to='" + to + '\''
+                + ", logs=" + logs
+                + ", logsBloom='" + logsBloom + '\''
+                + '}';
+    }
 }