COMPLETE ENGINEERING KIT – Thousands of parents are buying toddler development toys to get their kids learning through play CREATIVE & IMAGINATION – This mosaic puzzle and building toy for kids with the real electric drill, kids can screw and unscrew the nut/bolts in the set. PLAY ON-THE-GO DESIGN BOARD-By snapping button nails into boards of various pattern, the button art toys help develop children’s hand-eye coordination, fine motor skills, creative thinking. SAFE TO PLAY WITH AND EASY TO CLEAN AND STORE AWAY-non-toxic pieces are certified Phthalate, Lead, Cadmium, and BPA-free. Blocks kit come in a plastic container for fast clean up and storage and a handy illustrated guide. HASSLE-FREE ENJOYMENT GUARANTEED – We offer a 6 months 100% Money Back Guarantee if you are not happy with your purchase. PLACE IN YOUR CART NOW and begin your kids on a journey of fun and learning.