Line Em Up Spots by Abaco Brands helps students learn to line up properly and to conduct proper SOCIAL DISTANCING. Designed for use on hard tile or concrete flooring surfaces, these decals over visual queues to indicate proper spacing for various activities. The decals are made of subway adhesive and will stay put throughout the entire school year! Do not use this product on carpeting. Lift the edge of the decal and the spots come up with ease. The set includes numbers 1– 30 with 4 action spots (Line Leader, Lights, Door, Caboose) and 2 additional action spots you can create yourself - birthday, award winner, or other classroom tasks. What's more, these colorful spots match sister products by Abaco Brands including TABLE SPOTS, CARPET MARKERS and the all NEW TABLE SPOTS PLUS all conveniently located here on Amazon. Teachers can organize their class by color teams designating a child with a color year-round. An excellent and colorful solution for simple classroom management.