XL Polydron is 4 times the size of Giant Polydron.• Designed to fit perfectly with existing Giant Polydron.• Teaches children 2 and 3 dimensional space.• Encourages role play.• Build castles, princess’s towers, cars, boats and houses with tunnels to crawl through!• Accessories for Giant Polydron can be used (write-on/wipe off panels, mirrors, windows and cogs).Contents: 12 x squares with 16...