Qaba 36Pcs EVA Kids Foam Floor Mats Baby Play Mat Puzzle Games Anti-slip Crawling Learning with End Border Dinosaur Land Pattern 35SqFt EVA | Aosom Canada
Step2 Playmats 20 Pack | Costco
Best Step Interlocking Comfort Flooring
Novaform Overnight Recovery 30.5 cm (12 in.) Gel Memory Foam Queen Mattress | Costco
Rubber Outdoor Tiles, 8-pack | Costco
Costco (in Canada at least) has these sweet rubber mats that remind me of the gym. Way cheaper than Amazon since they are heavy as heck! It's flat on the other side :
Rubber King Challenger Series Interlocking Floor Tiles, 10-pack | Costco