Easy to assemble. Cardboard toys specifically for hamsters. Hamster Dinosaur Land ・Assembled Dimensions 【Dinosaur】W95 x H135 x D185mm (Entrance size: 45 x 55mm) 【Egg】W100 x H100 x D90mm (Entrance size: 40 x 55mm) ・These toys are made of cardboard specifically for hamsters, with a focus on both appearance and playability. ・After playing, they can also be used as a cozy bed. ・Set them up in your hamster's cage to create an exciting and fun hamster land. Made in Japan Thank you for viewing.