Your toddler is going to love building our Underwater Adventure, using 42 big building blocks. They can place the adorable Peek A Blocks turtle or shark on the octopus and the other on the launcher, then press down on the lever to send the Peek a Blocks down the slide for 1 of 2 rolling surprises – either passing through the fish flap, or through the octopus to get it spinning, launching the other animal down in the opposite direction. Ideal for First Builders, ages 1+ Features: Building set includes 2 Peek A Blocks, 42 big building blocks designed to be durable, 4 slides, a launcher and a spinning octopus All-new way to play: Place your Peek A Blocks animal on a block to activate its peek-a-boo surprise Launch a Peek A Blocks for a sliding surprise: Either roll it down one slide through the fish flap, or roll it down the other slide to spin the octopus and launch the second Peek A Blocks in the opposite direction Blocks are compatible with all Peek A Blocks playsets and mega bloks building toys for endless learning fun ?Ideal for ages 1+, and endorsed by Fisher-Price, First Builders blocks are the perfect fit for little hands, designed to develop thinking and fine motor skills ? Underwater Adventure Mega Bloks Peek A Blocks Underwater Adventure with Big Building Blocks, Building Toys for Toddlers (50 Pieces) 42 big building blocks 1 turtle Peek A Blocks 1 shark Peek A Blocks 4 slide pieces 1 launcher block 1 spinning octopus