diff --git a/docs/development/03biomaterial.md b/docs/development/03biomaterial.md
index 42a00c795f2228f9a62f5a884cc8e6400c11ec08..7257d69dcae3c273fd04a87f32f7b72d5b1506f5 100644
--- a/docs/development/03biomaterial.md
+++ b/docs/development/03biomaterial.md
@@ -7,6 +7,19 @@
 
 ## **GELATIN**
 
+### **GELATIN WITH POTATO STARCH**
+
+![flowers](../images/biomaterials/ps.jpg){ width=1000 }
+
+![flowers](../images/biomaterials/bps.jpg){ width=1000 }
+
+
+### **GELATIN WITH CHICKPEA STARCH**
+
+![flowers](../images/biomaterials/cps.jpg){ width=1000 }
+
+![flowers](../images/biomaterials/bcps.jpg){ width=1000 }
+
 ## **PAPER**
 
 ### **MAKING PAPER FROM PLANT FIBERS**
diff --git a/docs/images/biomaterials/bcps.jpg b/docs/images/biomaterials/bcps.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..fde4a4eb0b9608b555f73d9311991ec087acd177
Binary files /dev/null and b/docs/images/biomaterials/bcps.jpg differ
diff --git a/docs/images/biomaterials/bps.jpg b/docs/images/biomaterials/bps.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..52175bd10a99b4ea258a0a4cf06459236b838c82
Binary files /dev/null and b/docs/images/biomaterials/bps.jpg differ
diff --git a/docs/images/biomaterials/cps.jpg b/docs/images/biomaterials/cps.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..b856f294efbe6ad27a6ef24e24da28d6865d08bd
Binary files /dev/null and b/docs/images/biomaterials/cps.jpg differ
diff --git a/docs/images/biomaterials/ps.jpg b/docs/images/biomaterials/ps.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..92636e271c5e635e44839f883634b9f6c107306f
Binary files /dev/null and b/docs/images/biomaterials/ps.jpg differ