Stapelstein® All In RainbowUnlock endless play potential with All In by Stapelstein. Harmoniously bringing together our full Rainbow Set set and bundling it with the core layers of Inside, plus our multi use Board, this modular play system provides more fun and learning opportunities than ever before. So whether you and your child decide to stack them, challenge your balance, enjoy a round of toss or organize by color, theres no wrong way to interact with our versatile and