What you'll need: 1 banana* 1 sheet paper 1 pair of scissors** blu-tac 2 googly eyes Too much spare time. Simply cut paper into fin shapes, and secure fins and googly eyes as appropriate. Here's one I prepared earlier: *For a longer lasting shark, use a plastic banana, as shown here. **Always have an adult supervise while using scissors. If already an adult, consider getting a hobby/job/life. Next time: Dolphin, and hummingbird!