Philips HUE LightStrip+ 1m Extension Kit $37.66 + Delivery (Free with eBay Plus) @ 247 Deals eBay

Cheapest I could find on the Philips Hue Lightstrip+ 1m extensions.

The same seller (using same 15% off coupon code) also has a limited quantity left of the 2 pack for $87 ($37.06 each) or 3 pack for $129.90 which becomes $110.41 ($36.80 each) which is better value if you want more extensions.

2 pack: https://www.ebay.com.au/itm/333122621736
3 pack: http://www.ebay.com.au/itm/333122621886

Don't forget Shopback (or using the various eBay gift card deals).

Original Coupon Deal

Thanks to RichardL for the 2 pack link.