4-in-1 Transportation Theme Grow-Up Puzzle Set (12-38 pcs Progressive) | Number Hint System, Educational Toddler Toy

This 4-in-1 traffic themed growth puzzle is designed specifically for children aged 3-6! Gradually improve children's puzzle solving ability through four difficulty stages (12-38 pieces). The unique numerical prompt system makes puzzles easier to complete and enhances confidence. Vivid traffic scenes include school buses, fire trucks and other transportation vehicles, driven by cute cartoon animals, and learning traffic knowledge in the game. Thickened material ensures durability, and rounded corner design ensures safety. The puzzle process effectively cultivates children's focus, observation, and logical thinking, making it an ideal choice for parent-child interaction! • 4-Stage Progressive Design: 12pcs→18pcs→26pcs→38pcs, scientifically designed for ages 3-6 • Transportation Theme: Includes school buses, fire trucks, airplanes, ships and other vehicles • Number Hint System: Numbered puzzle pieces make completion easier and boost confidence • Concentration Training: Helps toddlers stay away from electronics while developing patience • Safe Eco-Material: Thick cardboard with rounded edges, internationally certified • Vivid Scene Design: Fun scenes of cartoon animals driving vehicles stimulate imagination