Mathematical Marvel Long Sleeve Pajamas Gingerbread Lane Tie a square knot

Tie a square knot

Use our fabric-safe markers to color it in—or keep it classic

this cozy bedtime wrap will cocoon your sweet pea in natural beauty when paired with its matching Beanie Hat

this blanket is perfect for bedtime snuggles

Mathematical Marvel Long Sleeve Pajamas Gingerbread Lane Tie a square knotWhy math puns? Just cos! Introducing the Mathematical Marvel PJ Set, designed to turn your little one into a mathlete! This Einstein print is made from bamboo that grows with your child and lasts up to 3x longer than your average sleeper. According to our calculations, rocking these pajamas set your child on a trajectory towards mathematical excellence!