Description Reviews Gumball Machine 3D Puzzle for Mason Jars This DIY toy is fun, educational, and environmentally friendly. Take any regular mouth mason jar and turn it into a fun gumball machine. NO TOOLS or GLUE required. Just pop out the pieces and assemble. There is also a coin slot on the side so you can use it as a bank, a great savings educational aid. Perfect rainy day activity for kids or to give away as party favors! Buy 3 for only $21 and save! 100% Biodegradable - 100% Compostable - 100% Post-consumer - 100% Reusable NO TOOLS or GLUE needed Do-It-Yourself Fun Doubles as a coin bank Jar not included Made from recycled cardboard Biodegradable Includes instructions Add 5oz of Dubble Bubble chewing gum! Below or in "ALL PRODUCTS" tab. This product is designed to fit Regular Mouth mason jars – please check your jars to make sure they will fit. Your jar should measure 2-3/4 inches across the rim. This item will not fit with wide mouth mason jars, which measure 3 inches inside the top, or around 3-3/8 inches from thread to thread. 1 Review 5 Perfect gift for kids! Posted by Jodi O. on Sep 30th 2020 They will be Christmas gifts but I'm positive they will be a hit! My boys love building anything out of cardboard, and what kid doesn't love gum :) and the fact that it incorporates a mason jar is definitely a bonus!