StepPebbles and FREE Balance Board | PrimaryTurn everyday moments into movement, imagination, and magic. Whether theyre balancing over hot lava, building towers taller than themselves, or setting up obstacle courses, these lightweight, eco friendly foam stones offer endless ways to play. Made from lightweight yet durable EPP foam, StepPebbles are soft on little feet, and strong enough for years of use. Perfect for indoors or out, these colorful pebbles are waterproof and a cinch to clean.