I had built this for a Christmas dance at my school.
Step 1: Parts
2. cheap toy with blinking light (or build your own circuit)
3. toy capsule (the kind found in vending machines)
4. hot glue
5. utility knife
Step 2: Disassembly
2. Remove blinking circuit from toy (or build your own)
my toy came apart with 5 screws (no torx)! THANK GOD FOR POOR PRODUCT SECURITY!!!
Step 3: Final Assembly
Glue bottom of capsule to Santa hat
Attach (don't glue) capsule bottom to top