Smartivity DIY 2in1 Hydraulic Paper Airplanes & Darts Launcher STEM Toy for Kids Ages 6-14 Years I Birthday Gifts for Smart Kids | Science Kit for Boys & Girls 6, 8,10,12,14 Years Old

My students loved this - it was a huge hit at our STEM expo when the students explained and demonstrated hydraulics. It can help to have an adult or person who’s good at putting things together work with young people - there are multiple pieces to put together. The students demonstrated the launcher for several hours and it held together perfectly. It might be nice if the company offered refills of the planes and foam launchers because they launch far and fast, and can get lost if you’re not paying attention. In general it’s a great project at a great price. My students ate 6-8th grade and it worked well for them, with some guidance.

A good STEM kit for my 9 year old. The instructions are super clear that he needs no help from me. He probably spent at least 30 minutes building it while chatting with us and then he and his brothers play together for quite a while. I would say that the design is sturdy enough that my 4 year old has not yet broken it. We are impressed with how functional it is and is compatible with other toys such as the little ball in the video. My son used that to shoot the balls into the basketball hoop.

I got this for my 8-year-old grandson for Christmas. This is a very well made project. Sturdy parts so no worrying about snapping of a piece of something while assembling it. The parts are held together with various sizes of very small rubber bands. A couple of them were a bit tricky to put on, and I had to help him a few times. The instructions are very clear and easy to follow. It works well once it is completed. My grandson was really fascinated with the hydraulic action and especially loved shooting the nerf missiles all over the house. I am writing this in March, and it hasn’t fallen apart yet ! If you have a Lego builder, this will be very enjoyable for him or her!

This is one of the coolest things my son and I have ever put together. This will take a couple of sessions to put together, but it is well worth it. I am super impressed with the quality of the pieces as well as the instructions. I would open the recommended age to 12. There are incredible engineering concepts in this that blew me away. I am going to try to add a couple of videos in slow motion so you can see what it looks like.

This was a lot of fun for my son to build and he loved it at first but now it’s just a display for the most part. Maybe when the weather gets better he will use it more. I would much rather buy something like this that he builds than for him to watch tv. The parts moved just as advertised and overall, I would buy something like this again.

Bought as a gift for my 9yr old nephew. He loved it and was able to put it together himself. Pretty cool little project, worked like it was supposed to, I would buy again.

This was a great gift for my 6 year old’s birthday. It took us a couple hours to put together with me mostly helping him learn how to understand and follow directions compared to what he was physically doing. Directions were nice and easy to follow. The launcher worked great once put together and my 6 year old was really proud of what he created at the end.

This kit was fun to make with my grandson. All the parts were there, the instructions are clear and easy to follow, and the end product is cool and also engaging to play with. It's a great analog toy that encourages scientific inquiry, fun to see how the hydraulic launcher comes together and works.

Well designed and good quality toy. For the price it is simply worth it. The packing and quality are outstanding. The instructions are well illustrated, the parts are numbered in order for easy assembly. The final assembled toy works as advertised and is fun to play with. For younger kids the assembly may be little daunting but parents can help out as well. For those parents who still harbour the inner child, this kit is simply a blast!

My 7yo loved this. He needed a bit of help in the assembly at first but once he got used to to the rubber bands ( used to attach the pieces) he cruised through it alone. It really works and he learned a bit about hydraulic power. Would definitely order again!

Excellent. Our 7 Yr old grandson built this no trouble. It works brilliantly

Good activity for kids , it’s fun assembling the kit and good learning . Overall good. My 7 year old liked it

This is an EXCELLENT product. Very good instructions and build is quite complex. Got it for my 5 year old too difficult for him to assemble but very fun to play with supervision. Amazing for older kids for sure. Bravo !