This Plus-Plus Puzzle by Numbers butterfly set combines hands-on color-and-number matching with mosaic building for creative play and early learning. This set includes 800 Plus-Plus pieces in 10 vibrant shades and a numbered template to simplify assembly and ensure accurate placement. A numbered guide makes building intuitive, so kids can create a textured, display-ready butterfly for room decor or gifting. This set is made free from endocrine-disrupting substances and provides screen-free play that develops concentration and fine motor skills.