Clamping blocks biodegradable and made from FSC certified forests. 100% compatible with conventional building blocks. Blocks promote creativity, imagination, coordination and spatial imagination.Suitable for ages 5 years and up. What it contains: Wooden bricks. Feel great about where it comes from: Raw materials from EU? No - China Organic? Manufactured in EU? No - China What's it made from? FSC Certified Beech Wood What's it packaged in? FSC Cardboard Box Shipping packaging from manufacturer to us: FSC Cardboard Box Plastic-free? YES Vegan? YES Animal-cruelty-free? Reused upcycled or recycled? Feel great about where it goes after you've used it: Biodegradable / compostable? Yes Reusable / refillable? N/A Recyclable? Yes Feel great about you and your child using it: Great for ages: 5+ Shelf life: Indefinite Awards: Safety standards met: CE Marked Solvent-free? yes Gluten-free? yes Peanut-free? yes Soy-free? yes Lactose-free? yes Easy to wash-off clothes skin? N/A Improvements we're working on in this product: None - but you tell us, how could it be even better? Care/use instructionsCompatible with pre-existing clamping construction bloacks