ROKiT Bottle Rocket Water Pressure Kit, Pump Action

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I didn't expect it to fly so high, I've gotta say that. But, it's just a little tweak, Trevor, that's all it takes sometimes, a little tweak. Okay, guys. So, next we're going to be making the hoop glider, which I am so excited about because this sounds really fun. Now if you've got children in the house and you've tried to bake a cake recently. Have you done that?

Take the bottle outside and connect the pump to the needle adaptor. Ours wouldn’t stand up on the fins so we rested it on a box, but if you make some strong fins it should stand up by itself. Push your third marshmallow onto the tied end and make a mark on this marshmallow. And, make a mark on it. Put an X on it.That is so cool. INTERRUPTION It is actually working even INTERRUPTION though we put it in afterwards. It's very cool. You have put a lot in there. Y--you expecting that to fly a lot higher than mine then? Is that what you're--, is that what you're--?

I think Jill's going to be good at doing the experiment,s we see quite a lot of that, quite often, and certain things going, mishaps and going wrong. Teddie and science, I, I would not say are um, tremendously uh, happy bedfellows. Only because I don't think Ted does a lot of science at school, so you? She loves it when I talk. LAUGHS By the way we have not brought these in ourselves, I don't go around carrying little pictures of me self. When the three skewers meet at the top, use a bag tie to tie all three skewers together close to their ends. Why? The sciency bit. Spinning the bottle makes the water inside spin like a whirlpool. INTERRUPTION It makes a long, thing v-shape in the middle down into the cap. This is called...One the entire length of the long side of the card and 2.5 cm wide. The other approximately 10 cm long by 2.5 cm wide. This is really good because we're actually doing it rather than watching it, you know. We're actually going to try and do these things. It will be very interesting.

I loved science. I loved all the experiments, to be honest. Any time I had to put a lab coat and LAUGHS put the glasses on, put a Bunsen burner on, I was in heaven. Happy. Where's your face? There you go, so you come up trumps there I think. Right let battle commence.Today, the oven gloves are off. It's the Masterchef judges turn to be judged. Gregg Wallace and John Torode are shooting for the stars, and there's not a Michelin guide in sight. LAUGHS It's in the bag. Now one I have learnt is apparently the reaction is better when it's warm, so you don't want the vinegar to get too cold. Yeah, exactly. So let's have a look. Let's compare these balloons. So I had, uh, two balloons on my car. And it gave a bigger push. So your prediction has been proven.