Woot! has 4-Count Philips Hue White BR30 LED Smart Bulb on sale for $26.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Note, use the drop down menu to select the '4 Count (Pack of 1)' option.

Features:

• Control your Philips Hue Smart Lights all with just the touch of a button on your mobile device or your favorite voice assistant. Add up to 10 Hue Bluetooth/Zigbee smart bulbs with the (free) Hue Bluetooth app.
• Works with all Echo smart speakers/displays and Google Nest devices, Hue Hub required for Echo 1st Gen and Echo Dot 1st Gen.
• Lifetime: 22 years or 25,000 lifetime hours (based on industry average usage), Energy Star Certified