This product uses the best Lithium-ion batteries to ensure long durability and stable charging. The charger comes with a 10 000 mAh Lithium-ion battery which gives you about two extra charges for your Smartphone. It is built with an advanced charging circuit to secure high-temperature control short-circuit protection and fast charging.Specifications High-quality power banks with exclusive design Lithium-Polymer premium rechargeable batteries 2.1A output with fast and automatic detection Safe protection against short-circuit and high-temperature 4-LED battery indicator Micro-USB to USB cable included Compact size - 93 x 63 x 19 mm Compatible with all Smartphones and Tablets Compatible with iPhone/iPad

Take hands-on learning to the next level with KEVA Contraptions! Create intricate, tunnels, towers, ramps and chutes with this interactive STEM tool! No glue, no connectors, just simple stacking and the laws of gravity. Each Contraptions construction set comes with 200 high-precision KEVA planks and two specially designed bouncy balls that are lightweight for maximum action! The detailed guide book shows you the steps needed to build numerous clever builds and is loaded with dozens of full-colour photos, ideas and inventing tips. As you build, learn the principles of slope, velocity, force, momentum and balance. The “bounce” of the ball provides some of the most surprising moves —make it twist, bump, hop and stop. Projects vary in difficultly, making it suitable for a wide range of ages and abilities. Once you’ve mastered the suggested builds, use your imagination to create your own! KEVA Contraptions is an inspiration to future engineers,...

No glue or connectors required! Simply stack the precision-cut, solid pine KEVA planks to create buildings, monuments and geometric forms. It’s the ideal activity to help kids gain an understanding of balance and proportion, as well as an interest in architecture, building and design.This kit includes: KEVA Structures 200 plank kit that comes with 200 KEVA planks for free-form building, an oversized, zippered canvas storage bag and a 24-page, full-colour idea booklet with build-out instructions. FREE Bonus Planks set that includes 50 extra KEVA planks for even more building!– Simple building planks that put open-ended STEM play right in kids’ hands!– Gives kids first-hand experience with balance, leverage, geometry and principles of engineering– No glue or extra supplies needed: just unpack and play!– Sturdy, long-lasting, and easy to store with an included canvas bag– Use idea booklet for building inspiration, or create your own designsAge Recommendation: Ages 5 and up...

Young thinkers can design unbelievable ball track structures via simple, stacking planks. No glue, no connectors-just loads of constructive fun! The 50-Plank Set helps kids get things rolling with two balls and an instruction book detailing how to build a "Shooting Gallery," "Turbine," "Step Curve" and more. Fully compatible with our larger, 200-Plank KEVA Contraptions Set. Age Recommendation: Ages 7 and up WARNING: CHOKING HAZARD Toy contains a small ball. Not for children under 3 Years.