Found 27th May 2017
Burt's Bees Nature's Gift - 5-Piece Gift Set
This is an Amazon Deal of the Day, £9.99 each till end of May 27th
Contains: Coconut Foot Cream, Soap Bark & Chamomile Deep Cleansing Cream, Hand Salve, Vanilla Bean Lip Balm and Beeswax Lip Balm.
Add TWO of the above to your basket
If you spend £15 on selected Burt's Bees products you get the following gift set free, priced at £30 on Amazon:
Kissable Colour Gift Set
Contains: 100% Natural Strawberry Lip Balm, a Tinted Lip Balm in Zinnia, and a Lip Shimmer in Peony.
Add ONE of the above to your basket as discount is taken off at checkout.
EDIT: Total for three items is £19.98 but I've just checked and it qualifies for free delivery with or without Prime because the total is over £20 before the promotional discount is applied.