In this tutorial you will learn how to make a trampoline in Minecraft with redstone.
Step 1: Gathering the Materials
First, you will need 6 blocks of obsidian, 2 pieces of redstone, 2 sticky pistons, 1 slime block, and 2 pressure plates. You use obsidian because you need a block that does not get stuck to the slimeblock.
Step 2: Digging the Base.
Now that you have the materials, dig a hole that is a cross shaped hole that is 3 blocks deep. The cross is 1 hole each way. Look at the picture.
Step 3: Placing the Obsidian
Now on the bottom of two opposite sides of the crosses, place an obsidian block and a redstone on top of it like as the picture.
Step 4: Getting the Piston in Place
Now, put a piston one block above the obsidian with a slime block attached to it.
Step 5: Finishing It Up.
Put obsidian to cover the holes on all four edges, and now put the two pressure plates on top of the obsidian on the sides where you put the obsidian blocks underneath with the redstone.
Step 6: Testing It Out
Jump on to the pressure plate and the slime block at the same time so it pushes you up to get the full jump.