Updated: Some customers bought replica rose toy from Groupon at cheap price or knock off sites, so the toy does not charge. Please contact the seller for refund. Please be aware rose toy official site is rosetoyofficial.com.
The rose toy uses magnetic charger, it does not charge for poor contact. You have to adjust it until the light blinks, only when the light blinks, it means the toy is charging correctly. Here is a video showing how to charge it correctly: