Line Em Up Spots by Abaco Brands helps students learn to line up properly. Place them on the floor to indicate proper spacing, and have students stand on them when they line up. The decals are made of subway adhesive and will stay put throughout the entire school year! Lift the edge of the decal and the spots come up easily and leave no residue on the flooring. 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 are available on Amazon.com. 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.