Photo 1 of KOAICS 20PCS Wooden Gem Blocks Stacking Toys,Colorful Acrylic Windows Blocks, Rainbow Crystal Acrylic Building Cubes Educational Sensory Training Crystal Toys (20PCS Round Gem Blocks)

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Photo 1 of KOAICS 20PCS Wooden Gem Blocks Stacking Toys,Colorful Acrylic Windows Blocks, Rainbow Crystal Acrylic Building Cubes Educational Sensory Training Crystal Toys (20PCS Round Gem Blocks)Photo 2 of KOAICS 20PCS Wooden Gem Blocks Stacking Toys,Colorful Acrylic Windows Blocks, Rainbow Crystal Acrylic Building Cubes Educational Sensory Training Crystal Toys (20PCS Round Gem Blocks)