This is a set of Tomoe Soroban's 100-bead abacus and drill. Both the abacus and the drill have been used very little, so I think they are in good condition. Of course, there are no markings in the drill. For those who understand that this is a used item. 100-bead abacus with a wooden frame, perfect for learning arithmetic. - Model Name: 100-bead abacus - Colors: Red, Yellow, Wood - Instruction Manual: Comes with an instruction manual on how to use arithmetic - Structure: Wooden frame with beads lined up on metal rods Thank you for looking.