21137 The Mountain Cave Puzzles Escape to the island and

Escape to the island and bury the treasure where no one will find it

The Joker and Robin Batcave measures over 5” (14cm) high

unleash the creative powers of the new LEGO MINDSTORMS EV3 set to create and command robots that walk

Enter a world of creative building fun

21137 The Mountain Cave Puzzles Escape to the island andBuild and experience the Mountain Cave, featuring an amazing minecart track with an integrated redstone? powered minecart elevator, and an array of other features and functions, including TNT blasting, rotating spider? spawner, charged Creeper explosion and a lava burst. Position the light brick to illuminate the rotating spider spawner, wall of redstone, jack o'lantern, first night shelter, furnace, lava or the torch above the cave entrance. Enjoy