AquaClear 20 BioMax Filter Insert provides an optimal environment for the colonization and growth of beneficial bacteria, which is essential for effective biological filtration and water purification for the AquaC
LED Name Badge Kit, Create a fun light up name badge in minutes with this simple science project, Colour: Blue, Parts included: Acrylic Blank Name Badges, LEDs, Batteries, Safety Pins, Stickers, Ever wonder how fancy businesses and hotel create cool looking