Made of non-toxic and eco-friendly wood material, durable and stable. This is an ideal way for your little boy to improve his hands-on ability and coodination ability. Best toy for kids to improve his logic thinking ability and problem solving ability. The toy can help parents and kids improve the communication qualtiy and relationship. Specification: Material: Wood Egg Cup Size: 10.2x5cm/4.02x1.97inch Round Ball Cup Size: 10.2x4.5cm/4.02x1.77inch Ringing Bell Size: 6x7cm/2.36x2.76inch Interlocking DIsc: 5.7x0.6cm/2.24x0.24inch Beads Toy Size: 9x1.5cm/ Wood Ring Size: 7x1cm/ Cube Wood Box: 5 cm/1.97inch Cube Rattle:4.5cm/1.77inch Package Includes: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you place order. note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you place order.