Wooden educational toy that allows you to enjoy color identification and combination. Jewel Stacking Blocks. I received this as a gift, but it has been stored unopened. According to a review on Amazon, it looks beautiful when played with near a window where light enters. For reference. Retail price: 8,999 yen - Colors: Multicolor - Material: Wood - Shape: Blocks - Function: Color identification and combination - Target age: For toddlers - Design: Transparent color blocks, sparkling acrylic cubes Thank you for looking.