Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Features: Changeable squares, baby can use their imagination to create different creative styles. The puzzle building blocks help to develop the baby's intelligence and train the baby's hand-eye coordination ability, which is conducive to cultivating the baby's imagination and creativity.
Product size：17.8*27cm
Product material: Wooden
