educational toy x-cube optical glass dichroic cube prism rgb combiner splitter gift soft well beautiful and unique design

x-cube optical glass dichroic cube prism rgb combiner splitter gift soft well specifications: with beautiful and unique design, there will be completely different color rendering from different angles at the same environment. cube design with multicolor, very eye-catching. can be used as a kids' gift and early learning toy. type: x-cube material: glass features: cube design, multicolor, educational toy size: 12.7mm x 12.7mm x 12.7mm package includes: 1 x x-cube note: please allow 1-3