Philips−50%
Philips Sonicare for Kids HX6600/42 Smart Electric Toothbrush, Blue
£44.99£89.99
at John LewisView deal →Philips: Sonicare for Kids HX6600/42 Smart Electr vs Sonicare HX3673/13 Series 3100 Electric
Two home & kitchen deals from Philips, side by side · prices checked 20 Oct 2026
Philips−18%
Philips Sonicare HX3673/13 Series 3100 Electric Toothbrush, White
£39.99£48.70
at John LewisView deal →| Sonicare for Kids HX6600/42 Smart Electr | Sonicare HX3673/13 Series 3100 Electric | |
|---|---|---|
| Price today | £44.99 | £39.99 |
| Previous price | £89.99 (RRP) | £48.70 (Amazon price) |
| Discount | 50% | 18% |
| You save | £45 | £8.71 |
| Retailer | John Lewis | John Lewis |
The short version: the Sonicare HX3673/13 Series 3100 Electric is the cheaper of the two at £39.99 (£5 less than the Sonicare for Kids HX6600/42 Smart Electr). The bigger discount is on the Sonicare for Kids HX6600/42 Smart Electr at 50% off its rrp. So it depends whether you want the lower price or the larger saving against list. Both prices were checked this morning and link straight to the retailer.