rokr 3d wooden puzzle for adults model kit marble run craft set educational toy building engineering set christmas/birthday/thanksgiving day gift for boys girl kids age 14+(lg501-waterwheel coaster) rokr <b>product specifications</b><br> model name: waterwheel coaster<br> package weight: 800g<br> level:advanced<br> recommended age:14+<br> assembly time (estimated): 7-10 hours<br> assembly guide: included(english version)<br> number of components: 233<br> model size (assembled): 252 x 230 x 165 mm<br><br> <b>smooth touch</b><br> with laser cutting technology,the pieces are easy to remove from the sheet of plywood,no residue smoke burns.<br> utilizing safe and environmentally friendly wood from all-natural trees without any added toxins.<br> even children can safely play with sets without fear of exposure to harmful chemicals or dyes.<br><br> <b>perfect decoration</b><br> the 3d wooden coaster puzzle has decorative designs that look captivating in the finished product.<br> no words can fully describe the satisfaction upon completing a full set!<br> you will certainly be proud displaying your creation for all of your friends and family to admire!<br> our diy 3d wooden puzzle will be a very attractive decorations when you put it in the bookcase,display cabinets etc.<br><br> <b>educational diy 3d puzzle for fun</b><br> solving 3d puzzles flexes mental muscles and provides many benefits for both children and adults including but not limited to enhanced memory,focused conentration,accelerated creativity.<br> learn the art of patience and organization as you separate pieces from the 3d puzzle and figure out where each piece goes in order to assemble.<br> this also provides an effective way to develop motor skills,pattern recognition,hand-eye coordination and build a better sense of structures.<br><br> <b>safety warning!</b><br> due to the small size of some pieces,adult supervision is required.small parts,not for children under 3 years.<br><br> <b>order now before inventory runs out! - click add to cart above!</b><br><br>