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JOYIN Marble Run Premium Toy Set (170 Pcs), Construction Building Blocks Toys, STEM Educational Building Block Toy(120 Plastic Pieces + 50 Glass Marbles)

JOYIN Marble Run Premium Toy Set (170 Pcs), Construction Building Blocks Toys, STEM Educational Building Block Toy(120 Plastic Pieces + 50 Glass Marbles)

JOYIN Marble Run Premium Toy Set (170 Pcs), Construction Building Blocks Toys, STEM Educational Building Block Toy(120 Plastic Pieces + 50 Glass Marbles). Features : 170 Pcs premium marble run set with transparent parts, endless fun for your child to watch marbles run along tracks. Premium quality set! Package includes 120 pieces variety color action parts which are made of high quality solid color plastic and 50 regular size glass marbles. All tracks are easy to stick together and the set is stable once build up with our professional designed molds. This STEM marble run set comes with an assembly instruction to help kids’ hand-eye coordination. After they learned, they will have ability to build any different tracks by their imagination and logical mind. Perfect Toy Set to develop kids’ creativity, logical thinking, hand-eye coordination. Play and Gain patient and problem-solving ability. Excellent Gifts for all kids. CHILD SAFETY: Meet US Safety Standard, Safety Test Approved, 100% Non-Toxic