Product Design for kids 5 years old and younger

This is what HBC Home & Hardware Products was looking for in their graphic design

I am looking to develop a line of humidifiers for use in young childrens' rooms. The product needs to have 4-6 designs within a family of designs. The trick is to modify as little as possible for ease of manufacturing. Each item has 3 peices to its contruction; a base, a water vessel and personality topper where the vapor is released. The base and the water vessel must remain the same and can only vary by color. The topper piece can be different so long as the placement of the vapor release is the same on all versions. The shape of these components is NOT restricted and should be part of your design element. You will see in the attached files 2 existing items (competitive) with the 3 components disassembled then assembled. Read more