Jaques of London | Abacus | Montessori Toy | Maths | Educational Toy | Since 1795: Amazon.de: Toys
small foot 2138 wooden calculation frame, easy learning of addition and substraction, preschool classic : Amazon.co.uk: Stationery & Office Supplies
Learning Resources 100 Beads Mini Activity Frame Set of 25 Abacus Maths Abacus for Kids, Wood Counting Display Material Maths, Counting Beads for Childhood Maths: Amazon.de: Toys
B Baosity Crafted Chinese Traditional Calculator Abacus 11 Columns Digital 9 Beads Math Wood Yellow Red White 20.7 x 8.9 x 1.5 cm: Amazon.de: Stationery & Office Supplies
LIFKOME 2 peças de Abacus para adultos Crianças 13 colunas Soroban Calculadora Plástico Abacus Aritmético Soroban Japonês Chinês Soroban para Aprendizagem de Matemática Escolar : Amazon.com.br: Brinquedos e Jogos
Dida - Abakus 4 Calculator Slider Mathematical Learning Toy I Learn Playful Counting with The Children's Calculator A Learning Toy from Montessori: Amazon.de: Toys
Abakus aus Holz mit 17 Reihen, chinesischer/japanischer Taschenrechner, Zählwerkzeug mit Reset-Taste, 35,5 cm, Vintage-Stil: Amazon.de: Bürobedarf & Schreibwaren
Amazon.com: Small Foot Wooden Toys Small calculating loop "Educate" made of wood, with beads for addition and subtraction designed for children ages 6+ : Toys & Games