This was a gift, but I never used it and just left it in storage. Baby Park, a preschool for infants, supervised Hyakudama Soroban (100-bead abacus) TOEZ Original Soroban List price: ¥13,200 (excluding tax) This abacus allows children to learn not only numbers but also colors. It's colorful, so children can properly recognize numbers. Voila Rainbow Abacus Educational toy Learn numbers Learn colors Kindergarten entrance exams Elementary school entrance exams Kumon Loves puzzles Addition, subtraction, multiplication Become good at multiples Wooden Wooden toy