This Plus-Plus Tube contains 100 colorful interlocking bricks in a reusable, travel-friendly tube that keeps pieces organized for on-the-go play. This construction set includes step-by-step instructions and all parts needed to assemble a detailed truck, including wheels for rolling action. This building toy encourages fine motor skills, spatial reasoning, and open-ended creativity as kids follow the guide or invent original vehicles and designs. This compact STEM-friendly kit makes a premium gift for travel, classroom activities, and hands-on learning at home or on trips.