Rigamajig Jr. is a scaled-down version of our Basic Builder Kit and the perfect size for home use (and great for schools, museums, libraries, and maker spaces too!). Ideal for hands-on free play in your living room, classroom, backyard, or the back seat, its handy storage duffle makes Rigamajig Jr. easy to put away and bring anywhere!

We designed our Spinning Tops Kit for experimenting with inertia, symmetry, and motion! Build different combinations of shapes and colors, then spin your tops to make cool optical illusions, patterns, and sounds. The weirder the top, the bigger the surprise when it’s set in motion!