Want to liven up your next pool party or just freak out innocent swimmers? Well you could toss a real shark into the pool or just unleash an army of Floating Jellyfish Pool Lights ($59). These unique realistic fiber-optic tentacled pool lights float around your pool glowing in a kaleidoscope of color. Best of all, no stings!

• Crafted of durable PVC
• Realistic, fiber-optic tentacles emit a vibrant glow
• Top changes colors throughout the light show
• Controlled by a simple auto-off switch
• Uses four AA batteries (included).