Combine light and bottom heat for best germination! These money-saving combo kits combine Sunblaster's Mini Greenhouse Kit, with our top selling Kwik Grow Heat Mats. SunBlaster's Mini Greenhouse Kit Large Combo provides an excellent environment for starting your transplants, indoor herb gardens, micro greens and other indoor gardening. The kit includes two 18" full spectrum 6400K grow light and reflector, SunBlaster's exclusive NanoDome that has a unique H pattern which enables you to lay your lighting across a single dome or multiple domes, and two extra thick 10" x 20" no drainage planting tray with domes. Our Kwik Grow seed tray heaters are safe, low-voltage, and professional quality. They are designed to generate exceptionally uniform, gentle heat that is ideal for germinating seeds.