With our jumbo builders, kids create any structure they can imagine—from boats and forts to secret hideaways with real-working doors! The lightweight indoor-outdoor builders are a cinch for young children to slot together…but durable enough for years of classroom use. You get 76 sturdy plastic builders—including beams, connectors and super-safe hinges—in 3 colors. Largest builders measure 7 3/4" x 31 1/2".