Step up your kids' playtime to new heights with our 5 pcs stepping stone set!With a mix of 5 vibrant colors and endless ways of combination, these river stones are ideal building blocks for fun-filled obstacle courses and a gateway to enhanced physical and mental development, all wrapped in the joy of balancing games. Built to last with safe, kid-friendly Pp materials, these sensory toys feature non-slip designs, including Tpe base edges and embossed patterns, perfecting it for a variety of surfaces from grassy lawns to fluffy carpets. Eager to participant? No problem! Each of these stepping stones holds up to 177 lbs , easily withstanding the weight of an grown-up.Features:Made with child-safe Pp materials for joyful times without worries5 bright colors for promoting kids' color perception abilitiesVarious heights and combinations boost little one's spacial cognition