This 1/2" Grid Lapboard is perfect for the classroom, home & even travel. One side of the sturdy melamine whiteboard features the 1/2" grid pattern for multiple, math & science-related activities & lessons. Plain / blank surface on back can be used for teaching multiple activities & lessons. Dry-erase surface erases cleanly & easily. Lapboard is great for interactive instruction to test concept understanding or work with small groups.