Mark Rober, a former NASA engineer turned YouTube star, appeared on "Jimmy Kimmel Live!" to demonstrate April Fool's Day pranks that viewers can create using common household items. The pranks include replacing antibacterial hand gel with hair gel, tricking someone into thinking their phone is trapped inside a bottle and ordering 10 packs of pool noodles via Amazon's AI assistant Alexa. Rober also showed off a dartboard contraption that automatically moves to ensure the thrower misses, as well as a DIY motion-activated Nerf gun.
1. The speaker is an expert in coming up with April Fool's Day pranks.
2. He suggests using junk around the house to create simple pranks.
3. One prank involves replacing hand soap with hair gel.
4. Another prank involves filling a water balloon with orange juice using a specialized tool and then placing it in the fridge for someone to accidentally pop.
5. The speaker also demonstrates a prank using the Amazon Echo by ordering a pool noodle.
6. He has built a dartboard that automatically moves to make the darts miss the target.