This Mini Maker Tube includes step-by-step instructions and all the pieces you need to build a Super Hero. Or, use your imagination and create your own design! Whether for young kids, tweens or 'kidults', everyone will love using their imaginations with Plus-Plus Tube mixes. Just one simple shape will give them endless possibilities and hours of fun. Plus-Plus bricks are precision crafted in Denmark and are BPA-free and phthalate-free european plastic. Their vibrant colors will show off their creative flat mosaic or 3D designs, as well as stimulate their innovative talents.