Say not to basic and enjoy colourful learning with these stackable crayons. 16 Assorted Colours - Design colourful art & crafts with a smooth flow. Stackable Lego Blocks - Color or stack, refine kids' creative & motor skills. Skills - Refines colour & shape recognition skills. Lego Stackables helps with creative abilities. Improves motor & hand-eye coordination. Safe for Kids - Made with Carnauba wax, It is non-toxic & non-sticky. Do not leave a stain on little hands. Kids Gift Set - Ideal option as a return gift.