The 4-in-1 Solar Robot Educational Model DIY Building Kit lets children build their own transformer robot by themselves， perfect for training their hands-on skills as well as developing creative thinking and their interest in science. Powered by solar， this robot requires no batteries and is fun to play. The kit comes with components waiting for assembly and they can be assembled into four different shapes， one shape at a time. Don’t hesitate to get one! Your kids will love it!                                    Features             Let children build their own transformer robot by themselves<br> Perfect for training their hands-on skills as well as developing creative thinking and their interest in science<br> Powered by solar， no batteries required<br> Handsome design， fun to play for kids<br> Come with components waiting for assembly<br> Can be assembled into four different shapes， one shape at a time<br> A great gift choice for your little ones <br>                                                            Specifications             Material     ABS    <br> Power Supply     Solar    <br> Age     6+    <br> Dinosaur Size     (5.31 x 2.13 x 3.15)" / (13.5 x 5.4 x 8)cm (L x W x H)    <br> Insect Size     (5.39 x 3.15 x 2.76)" / (13.7 x 8 x 7)cm (L x W x H)    <br> Drill Size     (4.33 x 1.97 x 2.17)" / (11 x 5 x 5.5)cm (L x W x H)    <br> Robot Size     (3.94 x 2.36 x 3.94)" / (10 x 6 x 10)cm (L x W x H)    <br> Dimensions     (5.31 x 2.13 x 3.15)" / (13.5 x 5.4 x 8)cm (L x W x H)    <br> Weight     14.11oz / 400g     <br>                                                             Package Includes            1 x 4-in-1 Robot Kit<br>1 x User Manual<br>