These are all sound-making building blocks. ■Material: Natural wood (rubberwood) Paint: ST toy safety standard paint ■Number of blocks: 11 ■Wooden box size: W20.5×D20.5×H5 cm ■Block size: 4.5×4.5×4.5 cm (smallest cubic block) ■Weight: 1.0 Kg ■Recommended age: 1 year and up ■Manufacturer: Ed.Inter Co., Ltd. (Japan) ■List price: 5,500 yen Will be shipped via anonymous Yu-Packet (60 size). Some corners have minor scratches and some have chipped paint, so please check the photos. Overall, they are still in good condition.