Features: Natural wood, light. It is safe for kids. Easy for teacher and parent to provide kids with fun and creative learning activities! This piggy bank puzzle model is composed of many pieces. It is a small challenge to complete the whole model suite. A detailed description of each assembly step is attached, which is easy to understand and follow. Children can exercise their own hands, thinking, exploring, creating ability. A very good educational toy can help children develop their thinking creativity, hands-on ability, patience and attention. It can also be a family game. This toy can strengthen the relationship between children and parent. This wooden puzzle is especially suitable for people who like DIY puzzle crafts. This is an excellent gift for children/teenagers/adult/boy/girls/friend/families. Specifications: Material: Wooden Size: Approx.7x6x12.5cm/2.76x2.36x4.92inch Require: 2 PcsAABatteries Package Includes: 1x Kids DIY Set (Batteries are not Included) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item. 3.Batteries are not Included.