Kids can build different track layouts, add water for real cool mist steam, and enjoy lights & music for an immersive train adventure. Super Value Toddler Toys: Our electric steam train set for toddlers includes a locomotive, 3 construction trucks that connect as train cars, 1 water injector, 6 DIY traffic signs, 2 straight tracks, and 8 curved tracks. Each construction truck has moving parts, making play more engaging.