AniBlock Puzzle Challenger LITE Series 4 is a STEM.org Authenticated toy designed to aid in your child’s early cognitive development. AniBlock pieces are child-safe, ergonomic plastic blocks that come in many colors and shapes. Use the AniBlock pieces to complete the puzzle patterns, bring your creations to life, and unlock interactive games! Our AniBlock Puzzle app download is available for iOS and Android. Download the app, choose your pattern, and bring your creations to life! Puzzle animations and interactive games magically appear on your screen once the puzzle is completed! With 1,000+ solutions, AniBlock Puzzle Challengers provide hours of entertainment for you and your child. This AniBlock Puzzle Pack features: 11x yellow AniBlock pieces 11x blue AniBlock pieces 1x puzzle board 12x puzzle patterns AniBlock Puzzle Challengers have significant learning benefits that aid in early development, such as: - Improves hand-eye coordination - Develops their spatial and color perception - Boosts creativity with multi-solution puzzles - Teaches kids independent and collaborative problem-solving skills