By Stephanie Stahl

PHILADELPHIA (CBS) — Organizers are giving a sneak preview of the 2018 Philadelphia Science Festival.

2018 philadelphia science festival preview Organizers Give Sneak Preview Of 2018 Philadelphia Science Festival

Credit: (CBS3)

Experts were outside of the Franklin Institute today to show folks some cool science demonstrations.

They gave out stickers, key chains and water bottles.

The festival begins on April 20 and runs through April 28.