☆彡☆彡【Recommended】☆彡☆彡 ✿ [Includes 3 sets of 29-piece marble run devices.] Includes 3 sets of 29-piece marble run devices. A total of 87 marble run device blocks are included. ✿ Cylindrical building blocks. Can be used as a marble run device. ✿ The 3cm building blocks are easy for 1-year-old children to hold and provide a solid feel. ✿ Other marble run devices have small block sizes and take a long time to assemble. However, these building blocks are 3cm in size, making them easy to assemble without difficulty. Young children can assemble the marble run device on their own. ✿ Colorful building blocks, includes various types of blocks. ✿ As Montessori toys, they can train spatial reasoning, concentration, and imagination. The way children play is completely up to their imagination. ✿ This building block set is also perfect as a gift. Please consider it for birthday gifts, Christmas gifts, and New Year's gifts. ☆彡☆彡【Product Name】☆彡☆彡 Marble Run Device Blocks, Includes Rolling Balls [29 Pieces * 3 Sets] ☆彡☆彡【Product Information】☆彡☆彡 ★ [Included Items] 3 sets of 29-piece marble run devices. Includes 3 sets of 29-piece marble run devices. ★ [Features] Recognition Ability Spatial Reasoning Ability Thinking Ability Concentration Perseverance ★ [Pieces/Size] 〇 29 pieces 〇 Size 27cm x 20cm 〇 Size per building block 3cm ★ [Balls] Balls that can be used with the marble run device are included. ★ [Material] Plastic ★ [Manufacturing] China ★ [Ease of Use] Recommended age is 1 year and older. #MarbleRunDevice #Blocks #RacingTrack