ironrap

Camera straps with cool silkscreen designs or funky embroidery
Here’s why;

Almost everyone has a digital camera
The price point would be suitable for a small gift
Most straps available today are black/branded

Amirite?

Make a can of spray paint that makes a loud “whistling” noise when used.

This is my idea for a modern art exhibition.
Step 1. Find a couple.
Step 2. Give them an hour to assemble a piece of Ikea furniture.
Step 3. Stop them before they have finished and have them leave everything as is; packaging, tools, coffee, etc.
Step 4. Shellac everything.
Step 5 (optional).  Paint everything a primary colour.
Step 6. Repeat [...]

Here’s my idea for a sociology project: Measure the walking speeds of different social groups and different proffessions.
The results might look something like this: “We found that on average New York Police walk 25 to 30% faster than Hong Kong fishermen.”
Think of the benefits to science.