Little Live Pets S3 Lil' Mouse Fun Park Trail The Lil' Mouse Family Track is the perfect place for your Lil Mouse to explore, run and race! Watch your mouse go in and out and all about! Seesaws, slides and bumpy rides! Plenty of tunnels and rooms to hide and squeak! It's all happening on the Lil Mouse House Trail! C'mon! Let 'em run wild!