Features: brand new and high quality Interactive games: puzzle interactive competitions, logical reasoning games, fun board games dinosaur mobile chess pieces, indoor children's exclusive games. Multi-function: spatial thinking, practical ability, brain development, parent-child interaction, physical perception. It is a good toy for children to improve their thinking ability and hand-eye coordination during for play. Material and size: Made of safe and non-toxic materials, durable and suitable for children. Four-in-one: 8-tone piano knocking, hamster playing, spinning gear, clock cognition; Seven-in-one: 8-tone piano knocking, pirate track game, fishing game, hamster hitting, insect catching game, clock cognition, rotating gear. Classic hamster game, exercise baby hand eye coordination ability, active thinking, enhance arm muscle. Package Includes: 4 Package(1/2/3/4 Optional) Package 1:4-in-1 Ordinary Package 2:4-in-1 Music Package 3:7-in-1 Ordinary Package 4:7-in-1 Music Specifications: Material:Wood Size:As Picture Shown Music Type:Equipped with:3xButton Battery LR44 note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.