ENHANCE YOUR CHILD'S STEM SKILLS WITH THIS LOGIC AND PUZZLE TOY: The Interlocking Puzzle Toy by Twinkle Me introduces and provides important hands-on experience with STEM skills and principles to toddlers and children. Children learn problem solving skills, referencing, adding, subtracting, stability, and balance through many bright colorful pieces that need to be locked together to form a picture. THE TWINKLE ME BRAIN PUZZLE INCLUDES 300 PBA-free plastic pieces in assorted bright colors and shapes, a 1:1 scale instruction booklet with over 20 creative patterns to choose from, and a reusable sturdy zippered storage bag to store the puzzle pieces while on the go. FUN TO BUILD AND THRILLING TO FINISH: The pieces of this interactive toddler puzzle feature nice smooth edges for fast and easy connecting. After a project is completed, children can lift their creation without having it fall apart. After playing, the pieces break away easily for a quick cleanup. TEACH A VARIETY OF SKILLS: According to early childhood experts, puzzle play builds problem solving and strategic thinking skills; imagination and creativity; self-expression, language, and social skills; self-esteem and confidence; and so much more. EXCELLENT ROAD TRIP ACTIVITY FOR KIDS: The reusable durable zippered bag is a perfect take-along game for tiny hands and big imaginations.