diff --git a/flex_marketplace/src/lib.cairo b/flex_marketplace/src/lib.cairo
index 986d1f2..2e5fb18 100644
--- a/flex_marketplace/src/lib.cairo
+++ b/flex_marketplace/src/lib.cairo
@@ -53,4 +53,5 @@ mod marketplace {
 
 mod mocks {
     mod erc1155;
+    mod erc721;
 }
diff --git a/flex_marketplace/src/mocks/erc721.cairo b/flex_marketplace/src/mocks/erc721.cairo
new file mode 100644
index 0000000..a2db45a
--- /dev/null
+++ b/flex_marketplace/src/mocks/erc721.cairo
@@ -0,0 +1,27 @@
+#[starknet::interface]
+trait IER721CamelOnly<TState> {
+    fn transferFrom(
+        ref self: TState,
+        from: starknet::ContractAddress,
+        to: starknet::ContractAddress,
+        token_id: u256
+    );
+}
+
+#[starknet::contract]
+mod ERC721 {
+    use starknet::{ContractAddress, get_caller_address};
+
+    #[storage]
+    struct Storage {}
+
+    #[external(v0)]
+    impl IERC721CamelOnlyImpl of super::IER721CamelOnly<ContractState> {
+        fn transferFrom(
+            ref self: ContractState,
+            from: starknet::ContractAddress,
+            to: starknet::ContractAddress,
+            token_id: u256
+        ) {}
+    }
+}
diff --git a/flex_marketplace/tests/transfer_manager_erc721_test.cairo b/flex_marketplace/tests/transfer_manager_erc721_test.cairo
index 981a1a2..dba362e 100644
--- a/flex_marketplace/tests/transfer_manager_erc721_test.cairo
+++ b/flex_marketplace/tests/transfer_manager_erc721_test.cairo
@@ -1,33 +1,56 @@
-use tests::utils::{setup, initialize_test};
+use snforge_std::{start_prank, stop_prank, PrintTrait, CheatTarget};
+use tests::utils::{
+    setup, initialize_test, deploy_mock_nft, ACCOUNT1, ACCOUNT2, OWNER, ZERO_ADDRESS
+};
+use flex::marketplace::transfer_manager_ERC721::{
+    ITransferManagerNFTDispatcher, ITransferManagerNFTDispatcherTrait
+};
+
+const TOKEN_ID: u256 = 1;
 
 #[test]
 fn test_transfer_non_fungible_token_success() {
     let dsp = setup();
     initialize_test(dsp);
-// TODO
+    let collection = deploy_mock_nft();
+
+    start_prank(
+        CheatTarget::One(dsp.transfer_manager_erc721.contract_address),
+        dsp.marketplace.contract_address
+    );
+    dsp
+        .transfer_manager_erc721
+        .transfer_non_fungible_token(collection, ACCOUNT1(), ACCOUNT2(), TOKEN_ID, 1);
 }
 
 #[test]
-#[should_panic()]
+#[should_panic(expected: ("TransferManagerNFT: caller 0 is not MarketPlace",))]
 fn test_transfer_non_fungible_token_fails_caller_not_marketplace() {
     let dsp = setup();
     initialize_test(dsp);
-    assert(false, '');
-// TODO
+    let collection = deploy_mock_nft();
+
+    start_prank(CheatTarget::One(dsp.transfer_manager_erc721.contract_address), ZERO_ADDRESS());
+    dsp
+        .transfer_manager_erc721
+        .transfer_non_fungible_token(collection, ACCOUNT1(), ACCOUNT2(), TOKEN_ID, 1);
 }
 
 #[test]
 fn test_update_marketplace_success() {
     let dsp = setup();
     initialize_test(dsp);
-// TODO
-}
+    let collection = deploy_mock_nft();
+    let new_marketplace = starknet::contract_address_const::<'new_marketplace'>();
 
+    start_prank(
+        CheatTarget::One(dsp.transfer_manager_erc721.contract_address),
+        dsp.marketplace.contract_address
+    );
+    dsp.transfer_manager_erc721.update_marketplace(new_marketplace);
 
-// TESTS VIEWSqs
-#[test]
-fn test_get_marketplace() {
-    let dsp = setup();
-    initialize_test(dsp);
-// TODO
+    let actual_marketplace = dsp.transfer_manager_erc721.get_marketplace();
+
+    assert(actual_marketplace == new_marketplace, 'update marketplace failed');
 }
+
diff --git a/flex_marketplace/tests/utils.cairo b/flex_marketplace/tests/utils.cairo
index 2f9cff0..a0e5e48 100644
--- a/flex_marketplace/tests/utils.cairo
+++ b/flex_marketplace/tests/utils.cairo
@@ -33,6 +33,7 @@ use flex::marketplace::{
         TransferSelectorNFT, ITransferSelectorNFTDispatcher, ITransferSelectorNFTDispatcherTrait
     },
 };
+use flex::mocks::erc721::ERC721;
 
 use flex::mocks::erc1155::ERC1155;
 
@@ -165,6 +166,11 @@ fn deploy_mock_1155() -> ContractAddress {
     contract.deploy(@array![]).expect('failed marketplace')
 }
 
+fn deploy_mock_nft() -> ContractAddress {
+    let contract = declare('ERC721');
+    contract.deploy(@array![]).expect('failed ERC721')
+}
+
 #[test]
 fn deploy_test() {
     let dsp = setup();